1. Movement Disorders Unit, Neurology Department, Hospital Universitario Ramón y Cajal, Madrid, Spain
2. Faculty of Medicine, Universidad de Alcalá, Alcalá de Henares, Spain
3. Rijkswaterstaat, Eindhoven, The Netherlands
4. Parkinson’s Africa, London, UK
5. PD Avengers, Vancouver, BC, Canada
6. The National Hospital for Neurology and Neurosurgery, London, UK
7. Department of Neurology, Radboud University Medical Center, Donders Institute for Brain and Cognition, Center of Expertise for Parkinson & Movement Disorders, Nijmegen, The Netherlands