1. Movement Disorders Unit, Neurology Service, Internal Medicine Department The Federal University of Minas Gerais Belo Horizonte Brazil
2. Department of Neurological Sciences Rush University Medical Center Chicago Illinois USA
3. Ottawa Hospital Research Institute; University of Ottawa Brain and Mind Research Institute; Division of Neurology, Department of Medicine University of Ottawa, The Ottawa Hospital Ottawa Ottawa Ontario Canada
4. CHDI Management/CHDI Foundation Princeton New Jersey USA
5. Laboratory of Clinical Pharmacology and Therapeutics, Faculty of Medicine University of Lisbon Lisbon Portugal
6. Department of Neurology Mayo Clinic College of Medicine, Mayo Clinic Arizona Phoenix Arizona USA
7. Department of Neurology University Hospital Schleswig‐Holstein, Campus Kiel and Christian Albrechts‐University of Kiel Kiel Germany
8. Radboud University Medical Center, Donders Institute for Brain, Cognition, and Behavior, Department of Neurology Center of Expertise for Parkinson and Movement Disorders Nijmegen The Netherlands
9. Faculty of Medical Sciences Newcastle University Newcastle upon Tyne United Kingdom
10. UAB Libraries The University of Alabama at Birmingham Birmingham Alabama USA
11. Department of Neurodegeneration, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany. German Center for Neurodegenerative Diseases Tübingen Germany
12. Institute of Neurogenetics University of Lübeck Lübeck Germany
13. Department of Neurology Expertise Centre Movement Disorders, University Medical Centre Groningen Groningen The Netherlands
14. Edmond J. Safra Program in Parkinson's Disease University Health Network and the University of Toronto Toronto Ontario Canada
15. Division of Neurology, Department of Medicine, and the Mah Pooi Soo and Tan Chin Nam Centre for Parkinson's and Related Disorders, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
16. Parkinson and Other Movement Disorders Center, Department of Neurosciences University of California San Diego La Jolla California USA
17. CHU Bordeaux Service de Neurologie des Maladies Neurodégénératives Bordeaux France
18. Univ. Bordeaux, CNRS, IMN Bordeaux France
19. Department of Medicine University of Otago, Christchurch, and New Zealand Brain Research Institute Christchurch New Zealand
20. Department of Neurology University Medical Center Kassel Germany
21. Neurology Unit, Department of Medicine, Faculty of Clinical Sciences College of Medicine, University of Lagos Lagos Nigeria
22. Adelaide Lackner Professor of Neurology, Norman Fixel Institute for Neurological Diseases University of Florida Health Gainsville Florida USA
23. Department of Neurology McGill University, Montreal Neurological Institute Montreal Quebec Canada
24. Section of Neurology Karolinska Institutet Stockholm Sweden
25. National Neuroscience Institute Singapore
26. Department of Neurology Juntendo University Faculty of Medicine Tokyo Japan
27. International Parkinson and Movement Disorder Society Milwaukee Wisconsin USA
28. Movement Disorders Unit, Institute of Neuroscience, Favaloro Foundation University Hospital Buenos Aires Argentina
29. Cognitive Neuroscience Laboratory, Institute of Cognitive Neurology (INECO) Buenos Aires Argentina
30. Movement Disorders Unit, Department of Neurology Westmead Hospital and Sydney Medical School, University of Sydney Sydney New South Wales Australia
31. Paracelsus‐Elena Klinik Kassel Germany
32. Department of Neurosurgery University Medical Center Goettingen Germany