1. Pediatric Neurology Department, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Saclay, Bicêtre Hospital, Le Kremlin Bicêtre, France
2. National Referral Center for Rare Inflammatory and Auto-Immune Brain and Spinal Diseases, Le Kremlin-Bicêtre, France
3. Inserm UMR 1184, Immunology of Viral Infections and Autoimmune Diseases, CEA, IDMIT, Le Kremlin Bicêtre, France
4. Pediatric Department, Centre Hospitalo-Universitaire de Rennes - Hôpital Sud, Rennes, France
5. Pediatric Department, Centre hospitalier Bretagne Atlantique, Vannes, France
6. Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris-Saclay, Neuropathology Laboratory, Le Kremlin-Bicêtre, France
7. Pediatric Radiology Department, Assistance Publique-Hôpitaux de Paris, Le Kremlin-Bicêtre, France
8. National Referral Center for Leucodystrophy, Le Kremlin-Bicêtre, France