1. Unit of Rare Neurodegenerative and Neurometabolic Diseases, Department of Clinical NeurosciencesFondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy
2. Hôpital Pitié‐Salpêtrière, AP‐HPCentre de référence des maladies neuromusculaires Nord/Est/Ile de France Paris France
3. MRC Centre for Neuromuscular DiseasesUCL Queen Square Institute of Neurology London United Kingdom
4. Department of Clinical NeurophysiologyNorfolk and Norwich University Hospital Norfolk United Kingdom
5. Istanbul University, Istanbul Faculty of MedicineNeurology Dep. Istanbul Turkey
6. Bogazici UniversityDepartment of Molecular Biology and Genetics Istanbul Turkey
7. Laboratoire de Recherche en Neurosciences Service de NeurologieCHU Alger Algeria
8. Department of Medical Genetics, Timone Hospital, Marseille, France.2Aix‐Marseille University, INSERM, MMG, U1251 Marseille France
9. Université Côte d'Azur, Service Système Nerveux Périphérique, Muscle et SLACentre Hospitalier Universitaire de Nice Nice France
10. Reference center for neuromuscular disorders and ALS, CHU La TimoneAix‐Marseille University Marseille France
11. Center of Biology and Pathology Laboratory of Molecular NeurogeneticsHospices Civils Lyon France
12. Reference center for neuromuscular disorders AOC (Atlantique Occitanie Caraibes)CHU de Bordeaux Bordeaux France
13. Institut Jérôme Lejeune Paris France
14. INOVIE Beirut Lebanon
15. Department of Clinical NeurosciencesUniversity of Cambridge Cambridge United Kingdom
16. Institute of Genetic MedicineNewcastle University Newcastle United Kingdom
17. Department of Clinical and Experimental MedicineUniversity of Pisa Pisa Italy
18. Department of Neurology, Samsung Medical CenterSungkyunkwan University School of Medicine Seoul South Korea
19. Department of Neurosciences, Rehabilitation, Ophthalmology, Genetic and MATERNAL Infantile SciencesUniversity of Genoa, and IRCCS Policlinico San Martino Genoa Italy
20. Fondazione Policlinico Universitario Agostino Gemelli IRCCS. Centro Clinico Nemo Adulti Rome Rome Italy
21. Università Cattolica del Sacro Cuore. Sede di Roma Rome Italy
22. UOC NeurologiaFondazione Policlinico Universitario Agostino Gemelli IRCCS Rome Italy
23. Department of Neurosciences, Reproductive Sciences and OdontostomatologyUniversity Federico II of Naples Naples Italy
24. Department of NeurologyUniversità Magna Graecia di Catanzaro Catanzaro Italy
25. Department of NeurologyKawasaki Medical School Kurashiki Japan
26. Department of Neurology, Perelman School of MedicineUniversity of Pennsylvania Philadelphia PA
27. Department of NeurologyUniversity of Iowa Hospitals and Clinics Iowa IA
28. Department of NeurologyUniversity of Rochester Rochester NY
29. Institute of Experimental Neurology (InSpe), Division of NeuroscienceIRCCS Ospedale San Raffaele Milan Italy
30. Department of Research and Clinical Development, Scientific DirectorateFondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy
31. Unit of Medical Genetics and NeurogeneticsFondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy