1Reference Center for Neuromuscular Disorders and ALS, CHU La Timone, Marseille, France
2Department of Neurology, Medical Park Bad Feilnbach, Bad Feilnbach, Germany
3Columbia University Medical Center, The Neurological Institute, New York, USA
4French Reference Center for Rare Peripheral Neuropathies, Service de Neurologie Adulte, APHP, CHU Bicêtre, Le Kremlin Bicêtre, France
5Department of Neurology, University Hospitals Leuven, KU, Leuven, Belgium
6Center for Brain & Disease Research, VIB, Leuven, Belgium
7Department of Neurology, Hackensack University Medical Center, Hackensack, USA
8Department of Neurology, Saint Louis University School of Medicine, St. Louis, USA
9Neuromuscular Unit, Neurology Department, Bellvitge University Hospital, Barcelona, Spain
10Neurometabolic Diseases Group, Bellvitge Research Institute (IDIBELL) and CIBERER, Barcelona, Spain
11U1171, Centre de référence des maladies neuromusculaires Nord Est Ile de France, Hôpital Salengro CHU de Lille, Lille, France
12Department of Neurology, Friedrich-Baur-Institute, Ludwig-Maximilians-University of Munich, Munich, Germany
13Centre de Référence Maladies Neuromusculaires AOC, Filnemus, Euro-NMD, CHU Nantes, Hôtel-Dieu, Nantes, France
14Clinical Neuroscience Research Unit, University of Minnesota, Minneapolis, USA
15University of Michigan Health System, Ann Arbor, MI USA
16Department of Neurology, Amsterdam University Medical Centres, University of Amsterdam, Amsterdam Neuroscience, Amsterdam, The Netherlands
17Department of Neurology, Brigham and Women’s Hospital, Boston, USA
18St. Luke’s Rehabilitation Institute, Physical Medicine and Rehabilitation, Spokane, USA
19CHU Dupuytren, Limoges, France
20University of Kansas Medical Center, Kansas City, USA
21Department of Neuromuscular Medicine, Hospital for Special Care, New Britain, USA