1. Neurology Department; Hospital Clínico Universitario Lozano Blesa; Zaragoza Spain
2. Resarch Group of Movement Disorders and Headache (GIIS070); Instituto de Investigación Sanitaria de Aragón (IIS-Aragón); Zaragoza Spain
3. Neurology Department; Movement Disorders Unit; Hospital de la Santa Creu i Sant Pau; Barcelona Spain
4. Biomedical Research Institute Sant Pau (IIB-Sant Pau); Barcelona Spain
5. Centro Investigación Biomedica en Red-Enfermedades Neurodegenerativas (CIBERNED); Barcelona Spain