1. Reference Center for Neuromuscular Disorders Nord/Est/Île‐de‐France Institute of Myology, Pitié‐Salpêtrière University Hospital Group (Assistance publique Hôpitaux de Paris (AP‐HP)) Paris
2. Department of Neurology Reference Center for Lysosomal Diseases, Neuro‐Genetic and Metabolism Unit, Pitié‐Salpêtrière University Hospital Group (Assistance publique Hôpitaux de Paris (AP‐HP)) Paris
3. Department of Neurophysiology Pitié‐Salpêtrière University Hospital Group (Assistance publique Hôpitaux de Paris (AP‐HP)) Paris
4. Department of Neurology Reference Center for ALS Rare Disease, Pitié‐Salpêtrière University Hospital Group (Assistance publique Hôpitaux de Paris (AP‐HP)) Paris
5. Reference Center for Rare “Neurogenetic” Diseases, Department of Medical Genetics Pellegrin Hospital, Bordeaux University Hospital Center Bordeaux
6. Rare Diseases Laboratory: Genetics and Metabolism National Institute of Health and Medical Research U1211, Bordeaux University Bordeaux
7. Department of Neurology Reference Center for Adult Leukodystrophies, Montpellier University Hospital Center, National Institute of Health and Medical Research, University of Montpellier Montpellier
8. Department of Neurology University Hospital, National Institute of Health and Medical Research, Brain Imaging and Neurological Disabilities, Mixed Unit of Research 1214 Toulouse
9. Department of Genetics Reference Center for Neurogenetic Diseases, University Hospital Angers Angers
10. Biochemistry of Neurometabolic Diseases Functional Units, Department of Metabolic Biochemistry Pitié‐Salpêtrière University Hospital Group (Assistance publique Hôpitaux de Paris (AP‐HP)) Paris
11. Biochemical, Metabolomic, and Proteomic Department Necker University Hospital Group (Assistance publique Hôpitaux de Paris (AP‐HP)) Paris
12. National Institute of Health and Medical Research U1151 Necker University Hospital Group, Paris Descartes University, Sorbonne Paris Cité Paris France