title: [Editorial].
authors.affiliation: Service de neurologie et pathologie du mouvement, hôpital de la Timone, Assistance publique-Hôpitaux de Marseille, 265, rue Saint-Pierre, 13385 Marseille, France. Electronic address: jean-philippe.azulay@ap-hm.fr.
authors.forename: J-P
authors.initials: JP
authors.lastname: Azulay
mesh_terms: D005602:France; D009462:Neurology; D010506:Periodicals as Topic; D011643:Publishing