1. APHP, Service de Pediatrie, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches, Centre de Reference de Maladies Neuromusculaires Centre de référence des maladies neuromusculaires Nord/Est/Ile de France
2. APHP, Service d'Imagerie Médicale, Pôle Neuro‐locomoteur, Hôpital Universitaire Raymond Poincaré‐Garches; Centre de référence des maladies neuromusculaires Nord/Est/Ile de France, UMR 1179 Université Paris Saclay France
3. Child Neurology Unit, Hospital Universitari Vall d'Hebron, ERN‐RND / ERN‐NMD. Vall d'Hebron Institut de Recerca, Barcelona, SpainBarcelona Spain
4. Neuromuscular and Neurogenetics Disorders of Childhood Section, Neurogenetics Branch, National Institutes of Neurological Disorders and Stroke, NIHBethesda Maryland USA
5. Unit of Neuromuscular and Neurodegenerative Diseases, Laboratory of Molecular Medicine, Department of Neurosciences, Bambino Gesú Children's HospitalRome Italy
6. Centre de reference de maladies neuromusculaires Nantes‐Angers, Hôtel‐Dieu, CHU Nantes France
7. Department of Pediatric, Neurology UnitClínica Las CondesSantiago Chile
8. Department of RadiologyDASA LaboratorySão Paulo Brazil
9. Departamento de NeurologiaUniversidade Federal de São Paulo (UNIFESP)São Paulo Brazil
10. Departamento de NeurologiaFaculdade de Medicina da Universidade de São Paulo (FMUSP)São Paulo Brazil
11. Centre National de Génotypage, Institut de Génomique, CEAEvry France
12. Laboratoire de Pathologie musculaire, Institut de MyologieParis France
13. Department of Translational Medicine and Neurogenetics, IGBMC, INSERM U964, CNRS UMR7104University of StrasbourgIllkirch France