1. CHU Clermont-Ferrand, Department of Neurology, CHU Gabriel Montpied, Clermont-Ferrand, France
2. Université Clermont 1, UFR Medecine, EA7280, Clermont-Ferrand, France
3. Department Neurology, CIC INSERM-0802, CHU de Poitiers 86021 Poitiers cedex; INSERM U 1084, Laboratoire de Neurosciences Expérimentales et Cliniques, Université de Poitiers, France
4. CHU Clermont-Ferrand, DRCI, Biostatistics Unit, Clermont-Ferrand, France
5. CHU Clermont-Ferrand, Department of Psychiatry B, CHU Gabriel Montpied, Clermont-Ferrand, France
6. Movement Disorder Unit, Department of Psychiatry and Neurology, CHU de Grenoble, Joseph Fourier University and INSERM, Unité 836, Grenoble Institut des Neurosciences, 38043 Grenoble, France
7. University, Hospital Toulouse, Neurology department, CHU Purpan, Toulouse, France
8. Neurology and Movement Disorders Department, Lille University Medical Center, Lille, France
9. University of Bordeaux, Institut des Maladies Neurodégénératives, CNRS UMR 5293 et CHU de Bordeaux, France