1. Department of Neurology Adolphe de Rothschild Foundation Hospital Paris France
2. Department of Radiology Adolphe de Rothschild Foundation Hospital Paris France
3. Department of Neuroradiology, Public Hospitals of Paris, La Pitié Salpêtrière University Hospitals Sorbonne University Paris France
4. Department of Neuro‐Ophthalmology Adolphe de Rothschild Foundation Hospital Paris France
5. Clinical Research Department Adolphe de Rothschild Foundation Hospital Paris France
6. Department of Neurology and Reference Center for Rare Inflammatory Diseases of the Brain and Spinal Cord Civil Hospices of Lyon, Pierre Wertheimer Neurological Hospital Lyon/Bron France