1. Department of Neurology IRCCS Humanitas Research Hospital Rozzano Italy
2. Department of Clinical and Movement Neurosciences, UCL, Queen Square, Institute of Neurology University College London London UK
3. Movement Disorders Unit Hospital das Clínicas Federal University of Minas Gerais Belo Horizonte Brazil
4. Department of Neurological Sciences Rush University Medical Center Chicago Illinois USA
5. Department of Translational Biomedicine and Neuroscience University of Bari Bari Italy
6. Sydney Medical School, Faculty of Medicine and Health University of Sydney Sydney Australia
7. Movement Disorders Unit, Neurology Department Westmead Hospital Westmead Australia
8. National Institute of Neurological Disorders and Stroke National Institutes of Health Bethesda Maryland USA
9. Parkinson's Disease Center and Movement Disorders Clinic, Department of Neurology Baylor College of Medicine Houston Texas USA
10. Departments of Neurology, Human Genetics, and Pediatrics Emory University School of Medicine Atlanta Georgia USA
11. Department of Neurology National Hospital Organization Utano National Hospital Kyoto Japan
12. Department of Neurosurgery Medical School Hannover Hannover Germany
13. Edmond J. Safra Program in Parkinson's Disease, Toronto Western Hospital University of Toronto Toronto Canada
14. Department of Neurology, National Neuroscience Institute Singapore General Hospital Singapore Singapore
15. Expertise Center Movement Disorders Groningen, Department of Neurology, University Medical Center Groningen University of Groningen Groningen The Netherlands
16. Department of Neurology Sorbonne Université Paris France
17. Institut du Cerveau et de la Moelle épinière‐Inserm U1127 Groupe Hospitalier Pitié‐Salpêtrière Paris France