부산대학교 도서관

Borland, Holly ; Moore, Ursula ; Dressman, Heather Gordish ; Human, Anri ; Mayhew, Anna G. ; Hilsden, Heather ; Rufibach, Laura E. ; Duong, Tina ; Maron, Elke ; DeWolf, Brittney ; Rose, Kristy ; Siener, Catherine ; Thiele, Simone ; Práxedes, Nieves Sanchez-Aguilera ; Canal, Aurélie ; Holsten, Scott ; Sakamoto, Chikako ; Pedrosa-Hernández, Irene ; Bello, Luca ; Alfano, Lindsay N ; Lowes, Linda Pax, The Jain COS Consortium ; James, Meredith K. ; Straub, Volker

In Neuromuscular Disorders October 2024 43:20-28

Fernández-Simón, Esther ; Carrasco-Rozas, Ana ; Gallardo, Eduard ; González-Quereda, Lidia ; Alonso-Pérez, Jorge ; Belmonte, Izaskun ; Pedrosa-Hernández, Irene ; Montiel, Elena ; Segovia, Sonia ; Suárez-Calvet, Xavier ; Llauger, Jaume ; Mayos, Mercedes ; Illa, Isabel ; Barba-Romero, Miguel Angel ; Barcena, Joseba ; Paradas, Carmen ; Carzorla, María Rosario ; Creus, Carlota ; Coll-Cantí, Jaume ; Díaz, Manuel ; Domínguez, Cristina ; Fernández-Torrón, Roberto ; García-Antelo, Maria José ; Grau, Josep Maria ; López de Munáin, Adolfo ; Martínez-García, Francisco Antonio ; Morgado, Yolanda ; Moreno, Antonio ; Morís, Germán ; Muñoz-Blanco, Miguel Angel ; Nascimento, Andres ; Parajuá-Pozo, José Luis ; Querol, Luis ; Rojas, Ricard ; Robledo-Strauss, Arturo ; Rojas-Marcos, Íñigo ; Salazar, Jose António ; Usón, Mercedes ; Díaz-Manera, Jordi

In Molecular Genetics and Metabolism September-October 2019 128(1-2):129-136

James, M.; Dressman, H. Gordish; Hilsden, H.; Rufibach, L.; Human, A.; Duong, T.; Maron, E.; DeWolf, B.; Rose, K.; Siener, C.; Thiele, S.; Práxedes, N. Sánchez-Aguilera; Canal, A.; Holsten, S.; Sakamoto, C.; Pedrosa-Hernández, I.; Bello, L.; Alfano, L.; Lowes, L. Pax; Straub, V.; Mayhew, A.

Neuromuscular Disorders. 32:S114-S114

James, M.; Mayhew, A.; Eagle, M.; Muni Lofra, R.; Maron, E.; Gee, R.; Harman, M.; Duong, T.; Vandevelde, B.; Siener, C.; Thiele, S.; Mendez, J.; Canal, A.; Sakamoto, C.; Holsten, S.; Pedrosa-Hernández, I.; Semplicini, C.; Lowes, L.; Bushby, K.; Straub, V.

Neuromuscular Disorders. 27:S145-S145

Reyes-Leiva D; Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Centro de Investigación Biomédica en Red en Enfermedades Raras, Madrid, Spain.; Alonso-Pérez J; Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Centro de Investigación Biomédica en Red en Enfermedades Raras, Madrid, Spain.; Mayos M; Pneumology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Nuñez-Peralta C; Radiology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Llauger J; Radiology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Belmonte I; Rehabilitation and Physiotherapy Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain.; Pedrosa-Hernández I; Rehabilitation and Physiotherapy Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain.; Segovia S; Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Centro de Investigación Biomédica en Red en Enfermedades Raras, Madrid, Spain.; Díaz-Manera J; Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Centro de Investigación Biomédica en Red en Enfermedades Raras, Madrid, Spain.; John Walton Muscular Dystrophy Research Center, Newcastle University, Newcastle, United Kingdom.

Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101546899 Publication Model: eCollection Cited Medium: Print ISSN: 1664-2295 (Print) Linking ISSN: 16642295 NLM ISO Abbreviation: Front Neurol Subsets: PubMed not MEDLINE

Mayhew AG; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.; James MK; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.; Moore U; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.; Sutherland H; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.; Jacobs M; Center for Translational Science, Division of Biostatistics and Study Methodology, Children's National Health System, Washington, DC, United States.; Pediatrics, Epidemiology and Biostatistics, George Washington University, Washington, DC, United States.; Feng J; Center for Translational Science, Division of Biostatistics and Study Methodology, Children's National Health System, Washington, DC, United States.; Lowes LP; The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH, United States.; Alfano LN; The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH, United States.; Muni Lofra R; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.; Rufibach LE; The Jain Foundation, Seattle, WA, United States.; Rose K; The Children's Hospital at Westmead, The University of Sydney, Sydney, NSW, Australia.; Duong T; Cooperative International Neuromuscular Research Group (CINRG), Children's National Health System, Washington, DC, United States.; Lucile Salter Packard Children's Hospital at Stanford, Neurology, Palo Alto, CA, United States.; Bello L; Department of Neuroscience, University of Padova, Padua, Italy.; Pedrosa-Hernández I; Physical Medicine and Rehabilitation, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Holsten S; Neuroscience Institute, Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC, United States.; Sakamoto C; Department of Physical Rehabilitation, National Center Hospital, National Center of Neurology and Psychiatry Tokyo, Tokyo, Japan.; Canal A; Institut de Myologie, AP-HP, GH Pitié-Salpêtrière, Paris, France.; Sánchez-Aguilera Práxedes N; Neurorehabilitation Unit, Rehabilitation Hospital Universitario Virgen del Rocío Sevilla, Seville, Spain.; Thiele S; Department of Neurology, Friedrich-Baur-Institute, Ludwig-Maximilians-University of Munich, Munich, Germany.; Siener C; Department of Neurology, Washington University School of Medicine, St. Louis, MO, United States.; Vandevelde B; Service des Maladies Neuromusculaire et de la SLA, Hôpital de La Timone, Marseille, France.; DeWolf B; Cooperative International Neuromuscular Research Group (CINRG), Children's National Health System, Washington, DC, United States.; Maron E; ELAN-PHYSIO, Praxis für Physiotherapie Maron, Berlin, Germany.; Gordish-Dressman H; Center for Translational Science, Division of Biostatistics and Study Methodology, Children's National Health System, Washington, DC, United States.; Pediatrics, Epidemiology and Biostatistics, George Washington University, Washington, DC, United States.; Hilsden H; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.; Guglieri M; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.; Hogrel JY; Institut de Myologie, AP-HP, GH Pitié-Salpêtrière, Paris, France.; Blamire AM; Magnetic Resonance Centre, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom.; Carlier PG; AIM & CEA NMR Laboratory, Institute of Myology, Pitié-Salpêtrière University Hospital, Paris, France.; Spuler S; Charite Muscle Research Unit, Experimental and Clinical Research Center, A Joint Cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany.; Day JW; Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA, United States.; Jones KJ; The Children's Hospital at Westmead, The University of Sydney, Sydney, NSW, Australia.; Bharucha-Goebel DX; Department of Neurology Children's National Health System, Washington, DC, United States.; National Institutes of Health (NINDS), Bethesda, MD, United States.; Salort-Campana E; Service des Maladies Neuromusculaire et de la SLA, Hôpital de La Timone, Marseille, France.; Pestronk A; Department of Neurology, Washington University School of Medicine, St. Louis, MO, United States.; Walter MC; Department of Neurology, Friedrich-Baur-Institute, Ludwig-Maximilians-University of Munich, Munich, Germany.; Paradas C; Neuromuscular Unit, Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Sevilla, Spain.; Stojkovic T; Institut de Myologie, AP-HP, GH Pitié-Salpêtrière, Paris, France.; Mori-Yoshimura M; Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry Tokyo, Tokyo, Japan.; Bravver E; Neuroscience Institute, Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC, United States.; Díaz-Manera J; Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Barcelona, Spain.; Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Pegoraro E; Department of Neuroscience, University of Padova, Padua, Italy.; Mendell JR; The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH, United States.; Straub V; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.

Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101546899 Publication Model: eCollection Cited Medium: Print ISSN: 1664-2295 (Print) Linking ISSN: 16642295 NLM ISO Abbreviation: Front Neurol Subsets: PubMed not MEDLINE

Jacobs MB; Center for Translational Science, Division of Biostatistics and Study Methodology, Children's National Health System, Washington, DC.; Pediatrics, Epidemiology, and Biostatistics, George Washington University, Washington, DC.; James MK; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Central Parkway, Newcastle upon Tyne, UK.; Lowes LP; The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH.; Alfano LN; The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH.; Eagle M; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Central Parkway, Newcastle upon Tyne, UK.; Muni Lofra R; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Central Parkway, Newcastle upon Tyne, UK.; Moore U; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Central Parkway, Newcastle upon Tyne, UK.; Feng J; Center for Translational Science, Division of Biostatistics and Study Methodology, Children's National Health System, Washington, DC.; Rufibach LE; The Jain Foundation, Seattle, WA.; Rose K; The Children's Hospital at Westmead, The University of Sydney, Sydney, Australia.; Duong T; Cooperative International Neuromuscular Research Group (CINRG), Children's National Health System, Washington, DC.; Lucile Salter Packard Children's Hospital at Stanford, Palo Alto, CA.; Bello L; Department of Neuroscience, University of Padova, Padova, Italy.; Pedrosa-Hernández I; Physical Medicine and Rehabilitation, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Holsten S; Neuroscience Institute, Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC.; Sakamoto C; Department of Physical Rehabilitation, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan.; Canal A; Institut de Myologie, AP-HP, GH Pitié-Salpêtrière, Paris, France.; Sanchez-Aguilera Práxedes N; Neurorehabilitation Unit, Rehabilitation Hospital Universitario Virgen del Rocío, Sevilla, Spain.; Thiele S; Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians University of Munich, Munich, Germany.; Siener C; Department of Neurology Washington University School of Medicine, St. Louis, MO.; Vandevelde B; Service des Maladies Neuromusculaire et de la SLA, Hôpital de La Timone, Marseille, France.; DeWolf B; Cooperative International Neuromuscular Research Group (CINRG), Children's National Health System, Washington, DC.; Maron E; ELAN-PHYSIO, Praxis für Physiotherapie Maron, Berlin, Germany.; Guglieri M; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Central Parkway, Newcastle upon Tyne, UK.; Hogrel JY; Institut de Myologie, AP-HP, GH Pitié-Salpêtrière, Paris, France.; Blamire AM; Magnetic Resonance Centre, Institute for Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK.; Carlier PG; AIM & CEA NMR Laboratory, Institute of Myology, Pitié-Salpêtrière University Hospital, Paris, France.; Spuler S; Charite Muscle Research Unit, Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany.; Day JW; Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA.; Jones KJ; The Children's Hospital at Westmead, The University of Sydney, Sydney, Australia.; Bharucha-Goebel DX; Department of Neurology Children's National Health System, Washington, DC.; National Institutes of Health (NINDS), Bethesda, MD.; Salort-Campana E; Service des Maladies Neuromusculaire et de la SLA, Hôpital de La Timone, Marseille, France.; Pestronk A; Department of Neurology Washington University School of Medicine, St. Louis, MO.; Walter MC; Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians University of Munich, Munich, Germany.; Paradas C; Neuromuscular Unit, Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Sevilla, Spain.; Stojkovic T; Institut de Myologie, AP-HP, GH Pitié-Salpêtrière, Paris, France.; Mori-Yoshimura M; Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan.; Bravver E; Neuroscience Institute, Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC.; Díaz-Manera J; Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Barcelona, Spain.; Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.; Pegoraro E; Department of Neuroscience, University of Padova, Padova, Italy.; Mendell JR; The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH.; Mayhew AG; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Central Parkway, Newcastle upon Tyne, UK.; Straub V; The John Walton Muscular Dystrophy Research Centre, Translational and Clinical Research Institute, Newcastle University and Newcastle Hospitals NHS Foundation Trust, Central Parkway, Newcastle upon Tyne, UK.

Publisher: Wiley-Liss Country of Publication: United States NLM ID: 7707449 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1531-8249 (Electronic) Linking ISSN: 03645134 NLM ISO Abbreviation: Ann Neurol Subsets: MEDLINE

James, M. ; Mayhew, A. ; Gordish-Dressman, H. ; Rufibach, L. ; Wong, K. ; Roper, W. ; Holsten, S. ; Lowes, L. ; Duong, T. ; Yochai, C. ; Pardo, A. Zabala ; Ogasawara, Y. ; Rudolph, K. ; Alarcon, S. ; Weber, J. ; Morillo, E. Montiel ; Pedrosa-Hernandez, I. ; Birnbaum, S. ; Rojas, J. Rojas ; Day, J. ; Straub, V.

In Neuromuscular Disorders October 2022 32 Supplement 1:S115-S115

Moore U; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Jacobs M; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; James MK; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Mayhew AG; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Fernandez-Torron R; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Feng J; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Cnaan A; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Eagle M; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Bettinson K; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Rufibach LE; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Lofra RM; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Blamire AM; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Carlier PG; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Mittal P; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Lowes LP; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Alfano L; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Rose K; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Duong T; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Berry KM; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Montiel-Morillo E; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Pedrosa-Hernández I; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Holsten S; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Sanjak M; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Ashida A; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Sakamoto C; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Tateishi T; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Yajima H; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Canal A; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Ollivier G; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Decostre V; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Mendez JB; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Sánchez-Aguilera Praxedes N; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Thiele S; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Siener C; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Shierbecker J; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Florence JM; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Vandevelde B; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; DeWolf B; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Hutchence M; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Gee R; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Prügel J; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Maron E; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Hilsden H; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Lochmüller H; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Grieben U; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Spuler S; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Tesi Rocha C; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Day JW; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Jones KJ; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Bharucha-Goebel DX; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Salort-Campana E; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Harms M; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Pestronk A; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Krause S; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Schreiber-Katz O; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Walter MC; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Paradas C; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Hogrel JY; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Stojkovic T; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Takeda S; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Mori-Yoshimura M; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Bravver E; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Sparks S; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Díaz-Manera J; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Bello L; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Semplicini C; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Pegoraro E; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Mendell JR; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Bushby K; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy.; Straub V; From the John Walton Muscular Dystrophy Research Centre (U.M., M.K.J., A.G.M., R.F.-T., M.E., K.B., R.M.L., H.H., H.L., K.B., V.S.), Newcastle University and Newcastle Hospitals NHS Foundation Trust, MRC Centre for Neuromuscular Diseases, Institute of Genetic Medicine, Central Parkway, Newcastle Upon Tyne, UK; Center for Translational Science (M.J., J.F., A. Cnaan), Division of Biostatistics and Study Methodology, Cooperative International Neuromuscular Research Group (T.D., B.D.), and Department of Neurology (D.X.B.-G.), Children's National Health System; Pediatrics, Epidemiology and Biostatistics (M.J., A. Cnaan), George Washington University, Washington, DC; Neuromuscular Area (R.F.-T.), Biodonostia Health Research Institute, Neurology Service, Donostia University Hospital, Donostia-San Sebastian, Spain; Jain Foundation (L.E.R., P.M.), Seattle, WA; Magnetic Resonance Centre (A.M.B.), Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK; AIM & CEA NMR Laboratory (P.G.C.), Institute of Myology, Pitié-Salpêtrière University Hospital, 47-83, Paris, France; Research Institute at Nationwide Children's Hospital (L.P.L., L.A., K.M.B., J.R.M.), The Ohio State University, Columbus; Institute for Neuroscience and Muscle Research (K.R., M. Hutchence, K.J.J.), Children's Hospital at Westmead, University of Sydney, Australia; Lucile Salter Packard Children's Hospital at Stanford (T.D.), 24349, Neurology, Palo Alto, CA; Physical Medicine and Rehabilitation (E.M.-M., I.P.-H.), Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; Neuroscience Institute (S.H., M.S., E.B., S. Sparks), Carolinas Neuromuscular/ALS-MDA Center, Carolinas HealthCare System, Charlotte, NC; Department of Physical Rehabilitation (A.A., C. Sakamoto, T.T., H.Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Institut de Myologie (A. Canal, G.O., V.D., J.-Y.H., T.S.), AP-HP, GH Pitié-Salpêtrière, Paris, France; Neurorehabilitation Unit (J.B.M.), Rehabilitation Hospital Universitario Virgen del Rocío Sevilla; Neurophysiotherapy Department (N.S.-A.P.), Hospital Universitario Virgen del Rocío, Seville, Spain; Friedrich-Baur-Institute (S. Thiele, S.K., O.S.-K. M.C.W.), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Neurology (C. Siener, J.S., J.M.F., M. Harms, A.P.), Washington University School of Medicine, St. Louis, MO; Centre de Reference des Maladies Neuromusculaires PACA Réunion Rhone Alpes (B.V., E.S.-C.), Hopital de la Timone, Aix-Marseille Université, France; ELAN-PHYSIO (J.P., E.M.), Praxis für Physiotherapie Maron; Charite Muscle Research Unit (U.G., S. Spuler), Experimental and Clinical Research Center, a joint cooperation of the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany; Department of Neurology and Neurological Sciences (C.T.R., J.W.D.), Stanford University School of Medicine, CA; NIH (D.X.B.-G.), Bethesda, MD; Neuromuscular Unit (C.P.), Department of Neurology, Hospital U. Virgen del Rocío/Instituto de Biomedicina de Sevilla, Spain; Department of Neurology (S. Takeda, M.M.-Y.), National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan; Centro de Investigación Biomédica en Red en Enfermedades Raras (J.D.-M.); Neuromuscular Disorders Unit (J.D.-M.), Neurology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and Department of Neuroscience (L.B., C. Semplicini, E.P.), University of Padova, Italy. volker.straub@newcastle.ac.uk.

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401060 Publication Model: Electronic Cited Medium: Internet ISSN: 1526-632X (Electronic) Linking ISSN: 00283878 NLM ISO Abbreviation: Neurology Subsets: MEDLINE; PubMed not MEDLINE

Carrasco-Rozas, A.; Fernández-Simón, E.; Lleixà, M.C.; Segovia, S.; De Luna, N.; Suarez-Calvet, X.; Illa, I.; Díaz-Manera, J.; Gallardo, E.; Belmonte, I.; Pedrosa-Hernandez, I.; Montiel-Morillo, E.; Nuñez-Peralta, C.; Llauger Rossello, J.

In: Annals of Clinical and Translational Neurology. (Annals of Clinical and Translational Neurology, July 2019, 6(7):1214-1224)

Irene Pedrosa Hernández; Elena Montiel Morillo; Izaskun Belmonte Jimeno; Helena Bascuñana Ambrós; Yolanda Capapé Genzor; Jordi Cuartero Archs; Cinta Lleixà Rodriguez; Eduard Gallardo Vigo; Isabel Illa Sendra; Jordi Díaz Manera

Scientific Medical Data.