1. Neurology Department; CHRU Caremeau; Nîmes France
2. Institut de Génomique Fonctionnelle; UMR5203; Université Montpellier 1 et 2; Montpellier France
3. Laboratory of Biostatistics, Epidemiology and Public Health; University Institute of Clinical Research; Université Montpellier 1; Montpellier France
4. Neurology Department; CHU Gui de Chauliac and INSERM U1051; Université Montpellier 1; Montpellier France