부산대학교 도서관

Silva VWPD; Instituto de Saúde Coletiva, Universidade Federal do Oeste do Pará. R. Vera Paz s/n, Salé, Unidade Tapajós. 68040-255 Santarém PA Brasil. marina.meschede@ufopa.edu.br.; Figueira KL; Instituto de Saúde Coletiva, Universidade Federal do Oeste do Pará. R. Vera Paz s/n, Salé, Unidade Tapajós. 68040-255 Santarém PA Brasil. marina.meschede@ufopa.edu.br.; Silva FGD; Instituto de Saúde Coletiva, Universidade Federal do Oeste do Pará. R. Vera Paz s/n, Salé, Unidade Tapajós. 68040-255 Santarém PA Brasil. marina.meschede@ufopa.edu.br.; Zagui GS; Escola de Enfermagem de Ribeirão Preto, Universidade de São Paulo. Ribeirão Preto SP Brasil.; Meschede MSC; Instituto de Saúde Coletiva, Universidade Federal do Oeste do Pará. R. Vera Paz s/n, Salé, Unidade Tapajós. 68040-255 Santarém PA Brasil. marina.meschede@ufopa.edu.br.

Publisher: Associação Brasileira de Pós-Graduação em Saúde Coletiva Country of Publication: Brazil NLM ID: 9713483 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1678-4561 (Electronic) Linking ISSN: 14138123 NLM ISO Abbreviation: Cien Saude Colet Subsets: MEDLINE

Yeoh SA; Centre for Rheumatology, University College London, London, UK.; Department of Rheumatology, University College London University Hospitals NHS Foundation Trust, London, UK.; Gianfrancesco M; Division of Rheumatology, Department of Medicine, University of California San Francisco, San Francisco, CA, USA.; Lawson-Tovey S; Centre for Genetics and Genomics Versus Arthritis, University of Manchester, Manchester, UK.; National Institute of Health Research Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester, Greater Manchester, UK.; Hyrich KL; National Institute of Health Research Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester, Greater Manchester, UK.; Centre for Epidemiology Versus Arthritis, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.; Strangfeld A; German Rheumatism Research Center (DRFZ Berlin), Epidemiology and Health Services Research, Berlin, Germany.; Gossec L; Institut Pierre Louis d'Epidémiologie et de Santé Publique, INSERM, Sorbonne Université, Paris, France.; Department of Rheumatology, APHP, Pitié-Salpêtrière Hospital, Paris, France.; Carmona L; Instituto de Salud Musculoesquelética (INMUSC), Madrid, Spain.; Mateus EF; Portuguese League Against Rheumatic Diseases (LPCDR), Lisbon, Portugal.; Schäfer M; German Rheumatism Research Center (DRFZ Berlin), Epidemiology and Health Services Research, Berlin, Germany.; Richez C; Département de Rhumatologie, Referral Center for Rare Systemic Autoimmune Diseases RESO, CHU de Bordeaux, Bordeaux, France.; UMR CNRS 5164, Université de Bordeaux, Bordeaux, France.; Hachulla E; Lille Inflammation Research International Center (LIRIC), University of Lille, Lille, France.; Département de Médecine Interne et Immunologie Clinique, Referral Center for Rare Systemic Autoimmune Diseases North and Northwest of France (CeRAINO), INSERM U995, CHU Lille, Lille, France.; Holmqvist M; Clinical Epidemiology Unit, Karolinska Institute, Stockholm, Sweden.; Scirè CA; Epidemiology Unit, Italian Society for Rheumatology (SIR), Milan, Italy.; Lorenz HM; Division of Rheumatology, Department of Medicine V, University Hospital Heidelberg, Heidelberg, Baden-Württemberg, Germany.; Voll RE; Department of Rheumatology and Clinical Immunology, University Medical Center, Faculty of Medicine, Albert-Ludwigs University of Freiburg, Freiburg, Germany.; Hasseli R; Department of Internal Medicine II, University Hospitals Giessen, Justus-Liebig-University Giessen, Giessen, Germany.; Jayatilleke A; Section of Rheumatology, Department of Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA.; Hsu TY; Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.; D'Silva KM; Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, MA, USA.; Pimentel-Quiroz VR; Department of Rheumatology, Hospital Nacional Guillermo Almenara Irigoyen, Lima, Peru.; Universidad Cientifica del Sur, Lima, Peru.; Vasquez Del Mercado M; University of Guadalajara, Guadalajara, Mexico.; Shinjo SK; Division of Rheumatology, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil.; Neto ETDR; Division of Rheumatology, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.; Junior LFDR; Instituto de Medicina Integral Professor Fernando Figueira (IMIP), Recife, Brazil.; de Oliveira E Silva Montandon AC; Hospital das Clínicas, Universidade Federal de Goias (UFG), Goiania, Brazil.; Pons-Estel GJ; Argentine Society of Rheumatology, Buenos Aires, Argentina.; Ornella S; Hospital Interzonal General de Agudos (HIGA) San Martin, La Plata, Buenos Aires, Argentina.; D'Angelo Exeni ME; Sanatorio Parque, Córdoba, Argentina.; Velozo E; Sanatorio y Universidad Adventista del Plata, Libertador San Martín, Entre Ríos, Argentina.; Jordan P; Myositis UK, Southampton, UK.; Sirotich E; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada.; Canadian Arthritis Patient Alliance, Toronto, ON, Canada.; Hausmann JS; Program in Rheumatology, Boston Children's Hospital, Boston, MA, USA.; Division of Rheumatology and Clinical Immunology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA.; Liew JW; Section of Rheumatology, Department of Medicine, Boston University School of Medicine, Boston, MA, USA.; Jacobsohn L; Division of Rheumatology, Department of Medicine, University of California San Francisco, San Francisco, CA, USA.; Gore-Massy M; Lupus Foundation of America, Washington, DC, USA.; Sufka P; HealthPartners, St. Paul, MN, USA.; Grainger R; Department of Medicine, University of Otago Wellington, Wellington, New Zealand.; Bhana S; Pfizer Inc, New York, NY, USA.; Wallace Z; Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, MA, USA.; Harvard Medical School, Boston, MA, USA.; Robinson PC; Faculty of Medicine, University of Queensland School of Clinical Medicine, Herston, Queensland, Australia.; Department of Rheumatology, Royal Brisbane and Woman's Hospital, Metro North Hospital and Health Service, Herston, Queensland, Australia.; Yazdany J; Division of Rheumatology, Department of Medicine, University of California San Francisco, San Francisco, CA, USA.; Machado PM; Centre for Rheumatology, University College London, London, UK p.machado@ucl.ac.uk.; Department of Rheumatology, Northwick Park Hospital, London North West University Healthcare NHS Trust, London, UK.; National Institute of Health Research University College London Hospitals Biomedical Research Centre, University College London Hospitals NHS Foundation Trust, London, UK.; Department of Neuromuscular Diseases, University College London, London, UK.

Publisher: BMJ Publishing Group Country of Publication: England NLM ID: 101662038 Publication Model: Print Cited Medium: Internet ISSN: 2056-5933 (Electronic) Linking ISSN: 20565933 NLM ISO Abbreviation: RMD Open Subsets: MEDLINE

Rodrigues AN; Universidade Federal de Minas Gerais, Belo Horizonte, Brazil angelica.onco@me.com.; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; EVA - Brazilian Gynecologic Oncology Group, Belo Horizonte, Brazil.; de Melo AC; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; EVA - Brazilian Gynecologic Oncology Group, Belo Horizonte, Brazil.; Brazilian National Cancer Institute - INCA, Rio de Janeiro, Brazil.; Calabrich AFC; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; EVA - Brazilian Gynecologic Oncology Group, Belo Horizonte, Brazil.; Clínica Assistência Multidisciplinar em Oncologia, Salvador, Brazil.; Cronenberger E; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; Clinical Research, Centro Regional Integrado de Oncologia, Fortaleza, Ceara, Brazil.; Torres KL; Fundação Centro de Controle de Oncologia do Estado do Amazonas, Manaus, Brazil.; Damian F; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; Centro de Pesquisa em Oncologia, Porto Alegre, Brazil.; Cossetti R; Hospital do Cancer Aldenora Bello, Sao Luis, Brazil.; de Azevedo CRAS; Medical Oncology, Instituto de Medicina Integral Professor Fernando Figueira, Recife, Brazil.; da Fonseca AJ; Hospital Geral de Roraima, Boa Vista, Brazil.; Nerón Y; Centro de Pesquisas Oncologicas, Florianopolis, Santa Catarina, Brazil.; Nunes J; Hospital Erasto Gaertner, Curitiba, Paraná, Brazil.; Lopes A; Instituto Brasileiro de Controle do Cancer, Sao Paulo, São Paulo, Brazil.; Thomé F; Hospital Sao Vicente de Paulo, Passo Fundo, RS, Brazil.; Leal R; Universidade Federal do Ceara Hospital Universitario Walter Cantidio, Fortaleza, CE, Brazil.; Borges G; Clínica Neoplasias Litoral, Itajaí, Brazil.; da Silva AF; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; Rodrigues MF; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; Nunes Filho PRS; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; Zaffaroni F; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; Freitas RDS; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; Werutsky G; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; Maluf F; Latin American Cooperative Oncology Group, Porto Alegre, Rio Grande do Sul, Brazil.; EVA - Brazilian Gynecologic Oncology Group, Belo Horizonte, Brazil.; Hospital Beneficência Portuguesa de São Paulo, São Paulo, Brazil.

Publisher: BMJ Country of Publication: England NLM ID: 9111626 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1525-1438 (Electronic) Linking ISSN: 1048891X NLM ISO Abbreviation: Int J Gynecol Cancer Subsets: MEDLINE

Foo SS; Department of Cancer Biology, Infection Biology Program, and Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Cambou MC; Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Mok T; Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Fajardo VM; Department of Pediatrics, Division of Neonatology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Jung KL; Department of Cancer Biology, Infection Biology Program, and Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Fuller T; Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21040-360, Brazil.; Chen W; Department of Cancer Biology, Infection Biology Program, and Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Kerin T; Department of Pediatrics, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Mei J; Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Bhattacharya D; Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Choi Y; Department of Cancer Biology, Infection Biology Program, and Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Wu X; Department of Cancer Biology, Infection Biology Program, and Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Xia T; Department of Cancer Biology, Infection Biology Program, and Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Shin WJ; Department of Cancer Biology, Infection Biology Program, and Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Cranston J; Department of Pediatrics, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Aldrovandi G; Department of Pediatrics, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Tobin N; Department of Pediatrics, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Contreras D; Department of Pediatrics, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Ibarrondo FJ; Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Yang O; Department of Medicine, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Yang S; Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Garner O; Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Cortado R; Department of Pediatrics, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Bryson Y; Department of Pediatrics, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Janzen C; Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Ghosh S; Department of Pediatrics, Division of Neonatology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Devaskar S; Department of Pediatrics, Division of Neonatology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Asilnejad B; Georgetown University School of Medicine, Washington, DC 20007, USA.; Moreira ME; Instituto Fernades Figueira, Fiocruz, Flamengo, Rio de Janeiro 20140-360, Brazil.; Vasconcelos Z; Instituto Fernades Figueira, Fiocruz, Flamengo, Rio de Janeiro 20140-360, Brazil.; Soni PR; Department of Pediatrics, Cedars-Sinai Medical Center, Los Angeles, CA 90049, USA.; Gibson LC; Department of Pediatrics, Cedars-Sinai Medical Center, Los Angeles, CA 90049, USA.; Brasil P; Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz, Manguinhos, Rio de Janeiro 21040-360, Brazil.; Comhair SAA; Respiratory Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Arumugaswami V; Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Erzurum SC; Respiratory Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Rao R; Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.; Jung JU; Department of Cancer Biology, Infection Biology Program, and Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA.; Nielsen-Saines K; Department of Pediatrics, Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.

Publisher: Cell Press Country of Publication: United States NLM ID: 101766894 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2666-3791 (Electronic) Linking ISSN: 26663791 NLM ISO Abbreviation: Cell Rep Med

Johannesen KM; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Gardella E; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Gjerulfsen CE; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Bayat A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Rouhl RPW; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Reijnders M; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Whalen S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Keren B; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Buratti J; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Courtin T; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Wierenga KJ; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Isidor B; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Piton A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Faivre L; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Garde A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Moutton S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Tran-Mau-Them F; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Denommé-Pichon AS; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Coubes C; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Larson A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Esser MJ; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Appendino JP; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Al-Hertani W; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Gamboni B; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Mampel A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Mayorga L; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Orsini A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Bonuccelli A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Suppiej A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Van-Gils J; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Vogt J; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Damioli S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Giordano L; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Moortgat S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Wirrell E; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Hicks S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Kini U; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Noble N; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Stewart H; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Asakar S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Cohen JS; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Naidu SR; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Collier A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Brilstra EH; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Li MH; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Brew C; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Bigoni S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Ognibene D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Ballardini E; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Ruivenkamp C; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Faggioli R; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Afenjar A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Rodriguez D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Bick D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Segal D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Coman D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Gunning B; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Devinsky O; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Demmer LA; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Grebe T; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Pruna D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Cursio I; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Greenhalgh L; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Graziano C; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Singh RR; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Cantalupo G; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Willems M; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Yoganathan S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Góes F; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Leventer RJ; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Colavito D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Olivotto S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Scelsa B; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Andrade AV; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Ratke K; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Tokarz F; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Khan AS; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Ormieres C; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Benko W; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Keough K; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Keros S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Hussain S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Franques A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Varsalone F; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Grønborg S; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Mignot C; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Heron D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Nava C; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Isapof A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Borlot F; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Whitney R; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Ronan A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Foulds N; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Somorai M; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Brandsema J; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Helbig KL; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Helbig I; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Ortiz-González XR; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Dubbs H; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Vitobello A; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Anderson M; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Spadafore D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Hunt D; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Møller RS; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).; Rubboli G; Department of Epilepsy Genetics and Personalized Treatment (K.M.J., E.G., C.E.G., A.B., R.S.M., G.R.), The Danish Epilepsy Centre Filadelfia, member of ERN EpiCARE, Dianalund; Institute for Regional Health Research (K.M.J., E.G., A.B., R.S.M), University of Southern Denmark, Odense; Department of Neurology (R.P.W.R.), Maastricht University Medical Centre (MUMC+); Academic Centre for Epileptology Kempenhaeghe/MUMC+ (R.P.W.R.), Maastricht; School for Mental Health and Neuroscience (R.P.W.R.), Maastricht University; Department of Clinical Genetics (M.R.), Maastricht University Medical Center, the Netherlands; APHP, Sorbonne Université (S.W.), Hôpital Armand Trousseau, UF de Génétique Clinique, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, Paris, France; Department of Genetics (B.K., J.B., T.C., C.N.), Pitié-Salpêtrière hospital, APHP, Sorbonne Université, Paris, France; Department of Clinical Genomics (K.J.W.), Mayo Clinic Florida, Jacksonville; Service de Génétique Médicale (B.I., A.P., A.-S.D.-P.), CHU de Nantes; Centre de Référence Anomalies du Développement et Syndromes Malformatifs (L.F., A.G., S.M.), FHU TRANSLAD, CHU Dijon; INSERM UMR1231 (L.F., A.G., S.M., F.T.M.-T., A.V.), GAD team, Université de Bourgogne-Franche Comté, Dijon; Unité Fonctionnelle dInnovation diagnostique des maladies rares (F.T.-M.-T., A.V.), Pôle de Biologie, FHU-TRANSLAD, CHU Dijon Bourgogne; Department of Medical Genetics (C.C., M.W.), Rare Diseases and Personalized Medicine, CHU Montpellier, France; Childrens Hospital Colorado (A.L.), Anschutz Medical Campus, Aurora, CO; Division of Clinical Neuroscience (M.J.E., J.P.A.), Department of Pediatrics, Alberta, Canada; Alberta Childrens Hospital (J.P.A., F.B.), Cumming School of Medicine, University of Calgary, Alberta, Canada; Department of Pediatrics (W.A.-H.), Division of Genetics and Genomics, Boston Childrens Hospital and Harvard Medical School, MA; Instituto de Neurología Infanto Juvenil (B.G.), Neuroinfan; Instituto de Genetica-Hospital Universitario (A.M.), Universidad Nacional de Cuyo; Instituto de Histología y Embriología de Mendoza (IHEM) (L.M.), Universidad Nacional de Cuyo, Mendoza, Argentina; Azienda Ospedaliera Universitaria Pisana (A.O.); Neuropaediatric Section (A.B.), Pediatric Department, Santa Chiara University Hospital, Pisa; Department of Medical Sciences- Pediatric Section (A.S.), University of Ferrara, Italy; CHU Bordeaux (J.V.-G.), Bordeaux, France; West Midlands Regional Genetics Service (J.V.), Birmingham Women's and Children's Hospital, Birmingham, UK; Child Neuropsychiatric Division (S.D., L.G.), Spedali Civili, Brescia, Italy; Institut de Pathologie et de Génétique (IPG) (S.M.), Gosselies, Belgium; Divisions of Child and Adolescent Neurology and Epilepsy (E.W.), Department of Neurology, Mayo Clinic, Rochester, MN; Oxford Centre for Genomic Medicine (S.H., H.S.); Oxford University Hospitals NHS Trust (U.K.), United Kingdom; Blank Children's Developmental Center (N.N.), Unity Point Health, West Des Moines, IA; Sutter Medical Centre (S.A.), Sacramento, CA; Kennedy Krieger Institute (J.S.C.); Johns Hopkins University (S.R.N.), Baltimore, MD; Provincial Medical Genetics Program (A.C.), St. Johns Medical Center, NL, Canada; University Medical Center Utrecht (E.H.B.), Utrecht, the Netherlands; Rush University Medical Center (M.H.L., C.B.), Chicago, IL; Medical Genetic Unit (S.B., D.O.), Maternal and Child Department, Ferrara University Hospital; Medical Science Department (D.O.), Ferrara University; Neonatal Intensive Care Unit (E.B.), Pediatric Section, Department of Medical Sciences, Ferrara University, Italy; Department of Clinical Genetics (C.R.), LUMC, Leiden, the Netherlands; Pediatric Unit, Maternal and Child Department (R.F.), Ferrara University Hospital, Italy; APHP Trousseau (A.A., C.M., D.H.); Service de Neuropédiatrie (D.R., A.I.), Hopital Trousseau, Sorbonne Université, APHP.SU, Paris, France; HudsonAlpha Institute for Biotechnology (D.B.), Huntsville, AL; Department of Pediatrics (D.S., S.K.), Weill Cornell Medicine, New York; Queensland Children's Hospital (D.C.), Brisbane, QL, Australia; Department of Neurology (B.G.), Stichting Epilepsie Instellingen Nederland, Zwolle, the Netherlands; Department of Neurology (O.D.), NYU School of Medicine; Atrium Healths Levine Childrens Hospital (L.A.D.), Charlotte, NC; Phoenix Childrens Hospital (T.G.), the University of Arizona College of Medicine; Division of Child Neurology and Psychiatry (D.P.), Azienda Ospedaliero Universitaria; Neurology and Epileptology Unit (I.C.), Pediatric Department, Brotzu Hospital Trust, Cagliari, Italy; Liverpool Centre for Genomic Medicine (L.G., G.R.), Liverpool Womens NHS Foundation Trust, Liverpool, United Kingdom; U.O. Genetica Medica (C.G.), Policlinico S. Orsola-Malpighi, Bologna, Italy; Department of Children's neurosciences (R.R.S.), Guys and ST. Thomas' NHS foundation trust, London United Kingdom; Department of Child Neuropsychiatry (G.C.), University of Verona, Italy; Christian Medical College (S.Y.), Vellore, India; Neurology Pediatric Unit (F.G.), Pediatric Department, Fernandes Figueira Institute, Fiocruz, Brazil; Royal Childrens Hospital (F.J.L.), Melbourne, Australia; Research & Innovation S.r.l. (D.C.), Padova; Pediatric Neurology Unit (S.O., B.S., F.V.), V. Buzzi Childrens Hospital, Milan, Italy; Department of Paediatrics (A.V.A.), London Health Science Centre/Schulich School of Medicine and Dentisty, University of Western Ontario, London, ON, Canada; Ambry Genetics (K.R.), Aliso Viejo, CA; Advocate Lutheran General Hospital (F.T.), Park Ridge, IL; PPG Pediatric Neurology (A.S.K.), Parkview Health, Fort Wayne, IN; Department of Medical Genetics (C.O.), AP-HP, Necker-Enfants Malades Hospital, Paris, France; Department of Neurology (W.B.), UC Davis, Sacramento, CA; Department of Pediatrics (K.K.), Texas A&M University Medical School, Austin; Leeds General Infirmary (S.H,), United Kingdom; Thompson River Pediatrics (A.F.), Johnstown, CO; Department of Neuropediatrics (S.G.), University Hospital Copenhagen, Denmark; Division of Neurology (F.B., R.W.), Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada; Hunter Genetics Unit, Waratah, Australia (A.R.); Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom (N.F., D.H.); KBO-Kinderzentrum München, Munich, Germany (M.S.); Division of Neurology, Epilepsy Neurogenetics Initiative, Childrens Hospital of Philadelphia (J.B., K.L.H., I.H., X.R.O-G, H.D.); Perelman School of Medicine, Philadelphia, PA (J.B.); PURA Syndrome Foundation, Greensborough, Australia (I.H., M.A., D.S.); PURA Syndrome Foundation, Kansas City, MO (I.H., D.S.).

Publisher: Published for the American Academy of Neurology by Wolters Kluwer Country of Publication: United States NLM ID: 101671068 Publication Model: eCollection Cited Medium: Print ISSN: 2376-7839 (Print) Linking ISSN: 23767839 NLM ISO Abbreviation: Neurol Genet Subsets: PubMed not MEDLINE

Arnholdt-Schmitt B; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Functional Genomics and Bioinformatics Group, Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil.; Mohanapriya G; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, India.; Bharadwaj R; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, India.; Noceda C; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Cell and Molecular Biotechnology of Plants (BIOCEMP)/Industrial Biotechnology and Bioproducts, Departamento de Ciencias de la Vida y de la Agricultura, Universidad de las Fuerzas Armadas-ESPE, Sangolquí, Ecuador.; Macedo ES; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Sathishkumar R; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, India.; Gupta KJ; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, India.; Sircar D; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, India.; Kumar SR; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, India.; Srivastava S; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Centre for Mycorrhizal Research, Sustainable Agriculture Division, The Energy and Resources Institute (TERI), TERI Gram, Gual Pahari, Gurugram, India.; Adholeya A; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Centre for Mycorrhizal Research, Sustainable Agriculture Division, The Energy and Resources Institute (TERI), TERI Gram, Gual Pahari, Gurugram, India.; Thiers KL; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Functional Genomics and Bioinformatics Group, Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil.; Aziz S; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Functional Genomics and Bioinformatics Group, Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil.; Velada I; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; MED-Mediterranean Institute for Agriculture, Environment and Development, Instituto de Investigação e Formação Avançada, Universidade de Évora, Évora, Portugal.; Oliveira M; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Department of Mathematics and CIMA - Center for Research on Mathematics and its Applications, Universidade de Évora, Évora, Portugal.; Quaresma P; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; NOVA LINCS - Laboratory for Informatics and Computer Science, University of Évora, Évora, Portugal.; Achra A; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Department of Microbiology, Atal Bihari Vajpayee Institute of Medical Sciences & Dr Ram Manohar Lohia Hospital, New Delhi, India.; Gupta N; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Kumar A; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Hargovind Khorana Chair, Jayoti Vidyapeeth Womens University, Jaipur, India.; Costa JH; Non-Institutional Competence Focus (NICFocus) 'Functional Cell Reprogramming and Organism Plasticity' (FunCROP), Coordinated from Foros de Vale de Figueira, Alentejo, Portugal.; Functional Genomics and Bioinformatics Group, Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil.

Publisher: Frontiers Research Foundation] Country of Publication: Switzerland NLM ID: 101560960 Publication Model: eCollection Cited Medium: Internet ISSN: 1664-3224 (Electronic) Linking ISSN: 16643224 NLM ISO Abbreviation: Front Immunol Subsets: MEDLINE

Schmidt CM; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil. Electronic address: christianeschmidt@id.uff.br.; Lovero KL; New York State Psychiatric Institute, Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA.; Carvalho FR; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Dos Santos DCM; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Departamento de Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Barros ACMW; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Quintanilha AP; Programa de Controle de Tuberculose da Secretária de Saúde de, Itaboraí, RJ, Brazil.; Barbosa AP; Programa de Controle de Tuberculose da Secretária de Saúde de, São Gonçalo, RJ, Brazil.; Pone MVS; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Pone SM; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Araujo JM; Hospital Municipal Getúlio Vargas Filho, Niterói, RJ, Brazil.; Martins CP; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Macedo SGD; Hospital Municipal Jesus, Rio de Janeiro, Brazil.; Miceli AL; Programa de Controle de Tuberculose da Secretária de Saúde de, Duque de Caxias, RJ, Brazil.; Vieira ML; Programa de Controle de Tuberculose da Secretária de Saúde de, Duque de Caxias, RJ, Brazil.; Sias SMA; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Queiroz A; Instituto Gonçalo Moniz, Fiocruz, Salvador, Bahia, Brazil.; Velarde LGC; Instituto de Matemática e Estatística da Universidade Federal Fluminense, Niterói, RJ, Brazil.; Kritski AL; Faculdade de Medicina da Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.; Silva AA; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Departamento de Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Sant'Anna CC; Faculdade de Medicina da Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.; Riley LW; Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, United States.; Cardoso CAA; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.

Publisher: Churchill Livingstone Country of Publication: Scotland NLM ID: 100971555 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-281X (Electronic) Linking ISSN: 14729792 NLM ISO Abbreviation: Tuberculosis (Edinb) Subsets: PubMed not MEDLINE; MEDLINE

Silva-Brandão KL; Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil.; Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, Brazil.; Centro de Biologia Molecular e Engenharia Genética, Universidade Estadual de Campinas, Campinas, Brazil.; Murad NF; Centro de Biologia Molecular e Engenharia Genética, Universidade Estadual de Campinas, Campinas, Brazil.; Programa de Pós-Graduação em Genética e Biologia Molecular, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, Brazil.; Peruchi A; Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, Brazil.; Martins CHZ; Programa de Pós-Graduação em Biologia Funcional e Molecular, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, Brazil.; Omoto C; Departamento de Entomologia e Acaralogia, Escola de Agricultura 'Luiz de Queiroz', Universidade de São Paulo, Piracicaba, Brazil.; Figueira A; Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, Brazil.; Brandão MM; Centro de Biologia Molecular e Engenharia Genética, Universidade Estadual de Campinas, Campinas, Brazil.; Trigo JR; Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, Brazil.

Publisher: Published for SCI by Wiley Country of Publication: England NLM ID: 100898744 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1526-4998 (Electronic) Linking ISSN: 1526498X NLM ISO Abbreviation: Pest Manag Sci Subsets: MEDLINE

Dos Santos DCM; Departamento de Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Laboratório Multiusuário de Apoio à Pesquisa Em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Lovero KL; New York State Psychiatric Institute, Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, 1051 Riverside Drive #24, New York, NY, 10032, USA.; Schmidt CM; Laboratório Multiusuário de Apoio à Pesquisa Em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Barros ACMW; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Quintanilha AP; Programa de Controle de Tuberculose da Secretária de Saúde de Itaboraí, RJ, Brazil.; Barbosa AP; Programa de Controle de Tuberculose da Secretária de Saúde de São Gonçalo, RJ, Brazil.; Pone MVS; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Pone SM; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Araujo JM; Hospital Municipal Getúlio Vargas Filho, Niterói, RJ, Brazil.; de Paula Martins C; Laboratório Multiusuário de Apoio à Pesquisa Em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Cosme EM; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Dourado de Oliveira TR; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Miceli AL; Programa de Controle de Tuberculose da Secretária de Saúde de Duque de Caxias, RJ, Brazil.; Vieira ML; Programa de Controle de Tuberculose da Secretária de Saúde de Duque de Caxias, RJ, Brazil.; Queiroz A; Instituto Gonçalo Moniz, Fiocruz, Salvador, Bahia, Brazil.; Coca Velarde LG; Instituto de Matemática e Estatística, Universidade Federal Fluminense, Niterói, RJ, Brazil.; Kritski A; Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.; de Fátima Pombo March M; Instituto de Puericultura e Pediatria Martagão Gesteira, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.; Maria de Azevedo Sias S; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; SantÀAnna CC; Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Instituto de Puericultura e Pediatria Martagão Gesteira, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.; Riley LW; Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, United States.; Araújo Cardoso CA; Laboratório Multiusuário de Apoio à Pesquisa Em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil. Electronic address: claudetecardoso@id.uff.br.

Publisher: Churchill Livingstone Country of Publication: Scotland NLM ID: 100971555 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-281X (Electronic) Linking ISSN: 14729792 NLM ISO Abbreviation: Tuberculosis (Edinb) Subsets: MEDLINE

Schmidt CM; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil. Electronic address: christianeschmidt@id.uff.br.; Lovero KL; New York State Psychiatric Institute, Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA.; Carvalho FR; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Dos Santos DCM; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Departamento de Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Barros ACMW; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Quintanilha AP; Programa de Controle de Tuberculose da Secretária de Saúde de Itaboraí, RJ, Brazil.; Barbosa AP; Programa de Controle de Tuberculose da Secretária de Saúde de São Gonçalo, RJ, Brazil.; Pone MVS; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Pone SM; Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil.; Araujo JM; Hospital Municipal Getúlio Vargas Filho, Niterói, RJ, Brazil.; de Paula Martins C; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Macedo SGD; Hospital Municipal Jesus, Rio de Janeiro, Brazil.; Miceli AL; Programa de Controle de Tuberculose da Secretária de Saúde de Duque de Caxias, RJ, Brazil.; Vieira ML; Programa de Controle de Tuberculose da Secretária de Saúde de Duque de Caxias, RJ, Brazil.; Sias SMA; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Queiroz A; Instituto Gonçalo Moniz, Fiocruz, Salvador, Bahia, Brazil.; Coca Velarde LG; Instituto de Matemática e Estatística da Universidade Federal Fluminense, Niterói, RJ, Brazil.; Kritski AL; Faculdade de Medicina da Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.; Silva AA; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Departamento de Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.; Sant'Anna CC; Faculdade de Medicina da Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.; Riley LW; Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, United States.; Araújo Cardoso CA; Departamento Materno-Infantil, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil; Laboratório Multiusuário de Apoio à Pesquisa em Nefrologia e Ciências Médicas, Faculdade de Medicina, Universidade Federal Fluminense, Niterói, Brazil.

Publisher: Churchill Livingstone Country of Publication: Scotland NLM ID: 100971555 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-281X (Electronic) Linking ISSN: 14729792 NLM ISO Abbreviation: Tuberculosis (Edinb) Subsets: MEDLINE