1. Parkinson’s Disease and Movement Disorders Unit, Neurology Service, Institut de Neurociències Hospital Clínic, University of Barcelona, Barcelona, Catalonia, Spain
2. Institut d’Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
3. Epilepsy Unit, Department of Neurology, Hospital Clínic, Barcelona, Catalonia, Spain
4. Neurology Service, Clínica Dexeus, Barcelona, Catalonia, Spain
5. Neurology Service, Hospital de Terrassa, Barcelona, Catalonia, Spain
6. Cap Clìnic de Neurologìa, Hospital Universitario Reus and Department of Medicine and Surgery, Universitat de Tarragona, Tarragona, Catalonia, Spain
7. Neurology Service, Parc Sanitari Sant Joan de Déu, Sant Boi, Barcelona, Catalonia, Spain
8. Neurology Service, Hospital Parc Taulí de Sabadell, Catalonia, Spain
9. Clínica Juaneda, Palma de Mallorca, Balearic Islands, Spain