1. From the Department of Neurology (S.D., N.C., J.D.S.); Clinical Investigation Center (N.C., J.D.S.), Strasbourg University Hospital; Department of Neurology (B.A.), APHM, Hôpital de la Timone, Pôle de Neurosciences Cliniques, Marseille; Department of Neurology (X.A.), Montpellier University Hospital; Department of Neurology (B.B.), Rouen University Hospital; Department of Neurology CRC-SEP (J.C.), CHU Toulouse; Department of Neurology, CHU Poitiers (J.C.); Department of Neurology (M.C.), CHU de Nice...