From the Service de Neurologie (A.A., A.M., C.B., S.D., J.P., B.A.), Pôle de Neurosciences Cliniques, and Département de Neuroradiologie (J.-P.S.), Hôpital de la Timone, APHM, Aix Marseille University; and Department of Neurology A (R.M.), Neurologic and Neurosurgical Hospital Pierre Wertheimer, Hospices Civils de Lyon, Bron, France.