1. Rare Diseases Laboratory: Genetics and Metabolism; University of Bordeaux; Bordeaux France
2. Medical Genetics Service, Pellegrin University Hospital Center; Bordeaux France
3. Functional Genomics Center, University of Bordeaux; Bordeaux France
4. Neurology Service, Strasbourg University Hospitals; Strasbourg France
5. Molecular Cell Biology Genetics Institute, INSERM U964/CNRS UMR7104, University of Strasbourg; Illkirch-Graffenstaden France
6. Strasbourg Federation of Translational Medicine; University of Strasbourg; Illkirch-Graffenstaden France
7. Genetics Service, Pitié-Salpêtrière Hospital; Public Hospital Network of Paris; Paris France
8. Brain and Spinal Cord Institute, INSERM U1127, CNRS UMR7225, Sorbonne Universities-Pierre and Marie Curie University; Paris France
9. Department of Medical Genetics; Timone Hospital; Marseille France
10. Genetics Center, Dijon University Hospital Center; Dijon France
11. Nantes Angers le Mans University and Neurology Service, CNRS UMR6214, INSERM U1083, University Hospital Center; Angers France
12. Ophthalmology Service, Angers University Hospital Center, Angers, France and Singapore National Eye Centre, Singapore Eye Research Institute, Duke-National University of Singapore; Singapore
13. Genetics Service, Lyon University Hospital Center; Lyon France
14. Molecular Genetics Laboratory, INSERM U827; Montpellier Regional University Hospital Center; Montpellier France
15. Rare Diseases Reference Center “Defects and Congenital Diseases of the Cerebellum,” Armand Trousseau Hospital, Public Hospital Network of Paris; Paris France
16. Robert Debré Hospital, INSERM U1141; Paris France
17. Genetics Service, Armand Trousseau Hospital; Public Hospital Network of Paris; Paris France
18. Neuropediatrics Service, Armand Trousseau Hospital; Public Hospital Network of Paris, Sorbonne Universities-Pierre and Marie Curie University; Paris France
19. Nantes Angers le Mans University and Department of Biochemistry and Genetics; University Hospital Center; Angers France
20. Clinical Neurophysiology Service, Saint-Étienne University Hospital Center; Saint-Étienne France
21. Neurology Service, Pitié-Salpêtrière Hospital; Public Hospital Network of Paris; Paris France
22. Clinical Genetics Unit, Rouen University Hospital Center; Rouen France
23. Neurologist; Caen France
24. Amiens University Hospital Center, Pediatric Neurology Activity Center; Amiens France
25. Laboratory of Neurogenetics, Practical School of Higher Studies; Paris France