1Departments of Pediatrics and Neurology and Neurosurgery, McGill University, Montreal, Canada
2Department of Neurology, Stanford University, Palo Alto, CA USA
3Neuromuscular Reference Center, UZ Gent, Ghent, Belgium
4Centre de Référence des Maladies Neuromusculaires et Service de Neurologie Pédiatrique, Queen Fabiola Children’s University Hospital, Université Libre de Bruxelles, ULB, Brussels, Belgium
5Pediatric Neurology Institute, Catholic University and Nemo Pediatrico, Fondazione Policlinico Gemelli IRCCS, Rome, Italy
6Neuromuscular Unit, Neuropaediatrics Department, Hospital Sant Joan de Déu, Fundacion Sant Joan de Deu, CIBERER–ISC III, Barcelona, Spain
7Institute of Medical Genetics, Tokyo Women’s Medical University, Tokyo, Japan
8Department of Pediatric Physical Medicine and Rehabilitation, Hôpital Mère Enfant, CHU-Lyon, Lyon, France
9Neuromyogen Institute, CNRS UMR 5310-INSERM U1217, Université de Lyon, Lyon, France
10The Dubowitz Neuromuscular Centre, NIHR Great Ormond Street Hospital Biomedical Research Centre, Great Ormond Street Institute of Child Health, University College London and Great Ormond Street Hospital Trust, London, UK
11Developmental Neurology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
12Neuromuscular Reference Centre, Department of Paediatrics and Child Neurology, University Hospitals Leuven, Leuven, Belgium
13Department of Neuropediatrics and Muscle Disorders, Faculty of Medicine, Medical Center–University of Freiburg, Freiburg, Germany
14Department of Neurology, Medical University of Warsaw, Warsaw, Poland
15I-Motion-Hôpital Armand Trousseau, Paris, France
16MDUK Oxford Neuromuscular Centre, Department of Paediatrics, University of Oxford, Oxford, UK
17Division of Child Neurology, Centre de Références des Maladies Neuromusculaires, University Hospital Liège and University of Liège, Liège, Belgium
18Pharma Development, Safety, F. Hoffmann-La Roche Ltd, Basel, Switzerland
19PDMA Neuroscience and Rare Disease, F. Hoffmann-La Roche Ltd, Basel, Switzerland
20Roche Pharmaceutical Research and Early Development, Roche Innovation Center Basel, Basel, Switzerland
21Roche Products Ltd, Welwyn Garden City, UK
22Pharma Development Neurology, F. Hoffmann-La Roche Ltd, Basel, Switzerland