[1] Caen Univ Hosp, Neurol Dept, Caen, France
[2] Caen Univ Hosp, Biostat & Clin Res Dept, Caen, France
[3] Pasteur Univ Hosp, Ctr Ressources & Competence Sclerose Plaques CRCS, Nice, France
[4] Strabourg Univ Hosp, Neurol Dept, Strasbourg, France
[5] Percy Mil Hosp, Neurol Dept, Clamart, France
[6] Toulouse Purpan Univ Hosp, Neurol Dept, Toulouse, France