1. From the Faculté de Médecine Paris-Descartes, Departments of Neurology (E.T., J.L.M.) and Neuroradiology (J.F.M., C.O.), EA 4055 Centre Hospitalier Sainte-Anne, Paris, France; the Department of Radiology and Physiology (J.F.T.), Hôtel-Dieu, APHP, INSERM U652; the Department of Biostatistics (J.C.), Hôpital Cochin, APHP; the Department of Neuroradiology (E.S.), Hôpital Neurologique, CHRU Nancy, France; Groupe Hospitalier Pitié-Salpêtrière (F.B.), Paris, France; Hôpital La Milétrie, CHRU...