1 Neurology Department of the Universitary Hospital Josep Trueta. Avinguda de França, S/N, 17007, Girona, Catalonia, Spain.
2 Parkinson's Disease & Movement Disorders Unit, Neurology Service, Hospital Clínic I Universitari de Barcelona, IDIBAPS, CIBERNED (CB06/05/0018-ISCIII), ERN- RND, InstitutClínic de Neurociències UBNeuro (Maria de Maeztu Excellence Centre), Universitat de Barcelona, Barcelona, Catalonia, Spain.
3 Parkinson's Disease & Movement Disorders Unit, Neurology Service, Hospital Clínic I Universitari de Barcelona, IDIBAPS, CIBERNED (CB06/05/0018-ISCIII), ERN- RND, InstitutClínic de Neurociències UBNeuro (Maria de Maeztu Excellence Centre), Universitat de Barcelona, Barcelona, Catalonia, Spain. Electronic address: ycompta@clinic.cat.