1. Department of Neurology Radboud University Medical Center Nijmegen the Netherlands
2. Department of Neurology Ohio State University Wexner Medical Center Columbus Ohio
3. Department of Neurology University of Kansas Medical Center Kansas City Kansas
4. Department of Physiology, David Geffen School of Medicine University of California Los Angeles, Los Angeles California
5. Assistance Publique‐Hôpitaix de Paris, Sorbonne Université, INSERM, Service of Neuro‐Myology and UMR 974 Institute of Myology, University Hospital Pitié‐Salpêtrière Paris France
6. Department of Neurology University of Rochester Rochester New York
7. MRC Centre for Neuromuscular Diseases, Department of Neuromuscular diseases UCL Queen Square Institute of Neurology United Kingdom
8. Department of Neurorehabilitation Sciences Casa Cura Policlinico Milan Italy
9. Department of Biomedical Sciences for Health University of Milan Milan Italy
10. Neurorehabilitation Unit, University of Milan NEuroMuscular Omnicentre (NEMO), Fondazione Serena Onlus Milan Italy
11. Department of Neurology and Neurotherapeutics UT Southwestern Medical Center Dallas Texas