학술논문

발행년
-
(예 : 2010-2015)
'학술논문' 에서 검색결과 23,575건 | 목록 170~180
Conference
Ion Implantation Technology. 2002. Proceedings of the 14th International Conference on Ion implantation technology proceedings Ion Implantation Technology. 2002. Proceedings of the 14th International Conference on. :181-184 2002
Academic Journal
Leonhard SE; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; van der Eijk AA; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Andersen H; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Antonini G; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Arends S; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Attarian S; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Barroso FA; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Bateman KJ; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Batstra MR; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Benedetti L; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; van den Berg B; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Van den Bergh P; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Bürmann J; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Busby M; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Casasnovas C; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Cornblath DR; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Davidson A; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Doets AY; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; van Doorn PA; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Dornonville de la Cour C; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Feasby TE; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Fehmi J; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Garcia-Sobrino T; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Goldstein JM; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Gorson KC; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Granit V; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Hadden RDM; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Harbo T; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Hartung HP; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Hasan I; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Holbech JV; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Holt JKL; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Jahan I; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Islam Z; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Karafiath S; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Katzberg HD; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Kleyweg RP; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Kolb N; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Kuitwaard K; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Kuwahara M; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Kusunoki S; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Luijten LWG; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Kuwabara S; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Lee Pan E; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Lehmann HC; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Maas M; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Martín-Aguilar L; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Miller JAL; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Mohammad QD; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Monges S; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Nedkova-Hristova V; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Nobile-Orazio E; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Pardo J; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Pereon Y; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Querol L; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Reisin R; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Van Rijs W; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Rinaldi S; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Roberts RC; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Roodbol J; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Shahrizaila N; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Sindrup SH; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Stein B; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Cheng-Yin T; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Tankisi H; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Tio-Gillen AP; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Sedano Tous MJ; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Verboon C; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Vermeij FH; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Visser LH; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Huizinga R; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Willison HJ; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain.; Jacobs BC; From the Departments of Neurology (S.E.L., S. Arends, B.v.d.B., A.Y.D., P.A.v.D., K.K., L.W.G.L., W.V.R., J.R., C.V., B.C.J.), and Viroscience (A.A.v.d.E.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (H.A., T.H.), Aarhus University Hospital, Denmark; Department of Neurology (G.A.), Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, University of Rome 'Sapienza,' Sant' Andrea Hospital, Italy; Department of Neurology (S. Arends), Haga Teaching Hospital, The Hague, the Netherlands; Department of Neurology (S. Attarian), Reference Centre for NMD, CHU Timone, Marseille, France; Department of Neurology (F.A.B.), Instituto de Investigaciones Neurológicas Raúl Carrea, FLENI, Buenos Aires, Argentina; Division of Neurology (K.J.B., E.L.P.), Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa; Department RH-MDC-Immunology (M.R.B., M.M.), Reinier de Graaf Gasthuis, Delft, the Netherlands; Department of Neurology (L.B.), IRCCS Ospedale Policlinico San Martino, Genova, Italy; Department of Neurology (B.v.d.B., F.H.V.), Franciscus Gasthuis & Vlietland, Schiedam, the Netherlands; Department of Neurology (P.V.d.B.), University Hospital St. Luc, University of Louvain, Brussels, Belgium; Department of Neurology (J.B.), Saarland University Medical School, Homburg (previous hospital), and MVZ Pfalzklinikum (J.B.), Kusel, Germany (current hospital); Department of Neurology (M.B.), Leeds Teaching Hospitals, United Kingdom; Department of Neurology (C.C., V.N.-H.), Neuromuscular Unit, Bellvitge University Hospital-IDIBELL, CIBERER, Barcelona, Spain; Department of Neurology (D.R.C.), Johns Hopkins University, Baltimore, MD; Institute of Infection, Immunity and Inflammation (A.D., H.J.W.), University of Glasgow, United Kingdom; National Hospital Copenhagen (C.D.d.l.C.), Copenhagen, Denmark; Department of Clinical Neurosciences (T.E.F.), University of Calgary, Alberta, Canada; Nuffield Department of Clinical Neurosciences (J.F., S.R.), University of Oxford, John Radcliffe Hospital, United Kingdom; Department of Neurology (T.G.-S., J.P.), Hospital Clínico de Santiago, Spain; Neurology, Neuromuscular Diseases, Electromyography (J.M.G.), Hospital for Special Surgery; Weill Medical College of Cornell University (J.M.G.), New York; Department of Neurology (K.C.G., B.S.), Tufts University School of Medicine, Boston, MA; Department of Neurology (V.G.), Montefiore Medical Center, New York; Department of Neurology (R.D.M.H.), King's College Hospital, London, United Kingdom; Department of Neurology (H.-P.H.), University of Düsseldorf, Germany; Brain and Mind Centre (H.-P.H.), University of Sydney, Australia; Department of Neurology (H.-P.H.), Medical University of Vienna, Austria; Laboratory of Gut-Brain Signaling (I.H., I.J., Z.I., Q.D.M.), Laboratory Sciences and Services Division, icddr,b, Dhaka, Bangladesh; Department of Neurology (J.V.H., S.H.S.), Odense University Hospital, Denmark; Department of Neurology (J.K.L.H.), The Walton Centre, Liverpool, United Kingdom; Department of Neurology (S. Karafiath), Utah Valley University, Orem; Department of Neurology (H.D.K.), University Health Network, University of Toronto, ON, Canada; Department of Neurology (R.P.K., K.K.), Albert Schweitzer Hospital, Dordrecht, the Netherlands; Department of Neurology (N.K.), University of Vermont Medical Centre, Burlington; Department of Neurology (M.K., S. Kusunoki), Kindai University, Faculty of Medicine, Osaka, Japan; Department of Neurology (L.W.G.L., L.H.V.), St. Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands; Department of Neurology (S. Kuwabara), Chiba University, Japan; Department of Neurology (H.C.L.), University Hospital of Cologne, Germany; Department of Neurology (L.M.-A., L.Q.), Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Department of Neurology (J.A.L.M.), Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, United Kingdom; Department of Neurology (S.M.), Hospital de Pediatría J.P. Garrahan, Buenos Aires, Argentina; Neuromuscular and Neuroimmunology Service (E.N.-O.), IRCCS Humanitas Research Hospital, Milan University, Italy; Department of Clinical Neurophysiology (Y.P.), Reference Centre for NMD, CHU Nantes, France; Department of Neurology (R.R.), Hospital Británico, Buenos Aires, Argentina; Department of Immunology (W.V.R., A.P.T.-G., R.H., B.C.J.), Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Neurology (S.R.), Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital; Department of Neurology (R.C.R.), Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, United Kingdom; Department of Medicine (N.S., T.C.-Y.), University of Malaya, Kuala Lumpur; Department of Neurology (S.H.S.), University of Southern Denmark, Odense; Department of Clinical Neurophysiology (H.T.), Aarhus University Hospital, Denmark; and Hospital Universitario Marques de Valdecilla (M.J.S.T.), Santander, Cantabria, Spain. b.jacobs@erasmusmc.nl.
Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401060 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1526-632X (Electronic) Linking ISSN: 00283878 NLM ISO Abbreviation: Neurology Subsets: MEDLINE
Conference
IEEE Antennas and Propagation Society International Symposium. 2001 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.01CH37229) Antennas and Propagation - APS 2001 Antennas and Propagation Society International Symposium, 2001. IEEE. 2:658-661 vol.2 2001
Kugener T; Department of Health Services Research, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, Netherlands.; Wiethoff I; Department of Health Services Research, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, Netherlands.; van Mastrigt G; Department of Health Services Research, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, Netherlands.; van den Berg B; Department of Quality, Policy and Monitoring, Nederlands Jeugdinstituut, Utrecht, Netherlands.; Evers SMAA; Department of Health Services Research, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, Netherlands.; Centre for Economic Evaluation and Machine Learning, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, Netherlands.
Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101545006 Publication Model: eCollection Cited Medium: Print ISSN: 1664-0640 (Print) Linking ISSN: 16640640 NLM ISO Abbreviation: Front Psychiatry Subsets: PubMed not MEDLINE
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2013 International Conference on Electromagnetics in Advanced Applications (ICEAA) Electromagnetics in Advanced Applications (ICEAA), 2013 International Conference on. :668-671 Sep, 2013
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