1 Movement Disorders Unit, Neurology department Hospital de Sant Joan Despí Moisès Broggi, Consorci Sanitari Integral Barcelona Spain.
2 Parkinson and Movement Disorders Unit, Neurology department, Hospital Clinic of Barcelona Institut Clínic de Neurociències, Hospital Clínic Barcelona Spain.
3 Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED) Barcelona Spain.
4 CINAC Hospital Universitario HM Puerta del Sur CEU-San Pablo University Madrid Spain.
5 Movement Disorders Unit, Department of Neurology Vall d'Hebron University Hospital, Neurodegenerative Diseases Group Barcelona Spain.
6 Neurological Tissue Bank of the Biobank, Hospital Clinic of Barcelona Institut Clínic de Neurociències, Hospital Clínic Barcelona Spain.
7 Institute of Neurology Medical University of Vienna Vienna Austria.
8 EMG and Motor Control Unit, Neurology Department Hospital Clinic of Barcelona Barcelona Spain.
9 Parkinson and Movement Disorder Unit, Neurology Department, Hospital Clinic of Barcelona Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Hospital Clínic, IDIBAPS, Universitat de Barcelona Spain.