1. Department of Neurology IMED Hospitales Valencia Spain
2. Department of Neurology, Movement Disorders Unit, Hospital Universitario La Paz Universidad Autónoma de Madrid Madrid Spain
3. Department of Neurology, Movement Disorders Unit, Hospital Clínico San Carlos, San Carlos Research Health Institute (IdISSC) Universidad Complutense Madrid Spain
4. Department of Neurology Hospital Universitario Fundación Alcorcón Madrid Spain
5. Department of Neurology, Movement Disorders Unit Hospital Universitario de Toledo Toledo Spain
6. Department of Neurology, Movement Disorders Unit Hospital Universitario La Princesa Madrid Spain
7. Department of Neurology Hospital General de Catalunya, Sant Cugat del Vallés Research Director, Hospital Universitari General de Catalunya, Hospital Universitari Sagrat Cor, Hospital Quirónsalud del Vallès Barcelona Spain
8. Movement Disorders and Neurodegenerative Diseases Unit, IRYCIS Hospital Ramón y Cajal Madrid Spain
9. HM CINAC Madrid (Centro Integral de Neurociencias Abarca Campal) Hospital Universitario HM Puerta del Sur, HM Hospitales Madrid Spain
10. Medical Affairs Laboratorios Bial, S.A. Madrid Spain
11. Centre for Networked Biomedical Research in Neurodegenerative Diseases Carlos III Institute of Health Madrid Spain