1. Movement Disorders Unit, Neurology Department Sant Pau Hospital Barcelona Spain
2. Departament de Medicina Universitat Autònoma de Barcelona Barcelona Spain
3. Institut d'Investigacions Biomèdiques‐Sant Pau Barcelona Spain
4. Centro de Investigación en Red‐Enfermedades Neurodegenerativas Madrid Spain
5. Barcelonaβeta Brain Research Center Pasqual Maragall Foundation and Hospital del Mar Medical Research Institute Barcelona Spain
6. Neuroradiology Unit Sant Pau Hospital Barcelona Spain