1. Service of Neurology, University Hospital “Marqués de Valdecilla (IFIMAV)”, University of Cantabria and “Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED)”, Santander, Spain
2. INSERM, Unit 836, Grenoble Institut des Neurosciences, Grenoble, France
3. Morton and Gloria Shulman Movement Disorder Unit - E.J. Safra Parkinson Disease Program, Toronto Western Hospital and Research Institute, UHN & Research Imaging Centre, Campbell Family Mental Health Research Institute, CAMH, University of Toronto, Ontario, Canada
4. Movement Disorder Unit, Department of Psychiatry and Neurology, CHU de Grenoble, Joseph Fourier University, Grenoble Universités, France; and INSERM, Unit 836, Grenoble Institut des Neurosciences, Grenoble, France
5. Department of Neurosurgery CHU de Grenoble, Joseph Fourier University, Grenoble, France and INSERM, Unité 836, Grenoble Institut des Neurosciences, Grenoble, France
6. Université de Lyon, F-69622, Lyon, France; Université Lyon 1, Villeurbanne, France; CNRS, UMR5229, Centre de Neuroscience Cognitive, Bron, France; Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, France