1. Department of Neurology; Washington University School of Medicine; St. Louis Missouri USA
2. Departments of Neurology and Human Genetics; Emory University; Atlanta Georgia USA
3. James J. and Joan A. Gardner Family Center for Parkinson's Disease and Movement Disorders, Department of Neurology; University of Cincinnati; Cincinnati Ohio USA
4. Institute of Neurogenetics and Department of Neurology; University of Luebeck; Luebeck Germany
5. Department of Neurology; University of Rochester; Rochester New York USA
6. Department of Neurology; University of Florida; Gainesville Florida USA
7. Hôpital Universitaire Pitié-Salpêtrière; Sorbonne Universités; Paris France
8. Department of Neurology; University of Maryland; Baltimore Maryland USA
9. Department of Neurology; University of Colorado Denver School of Medicine; Aurora Colorado USA
10. Departments of Neurology and Anatomy and Neurobiology; University of Tennessee Health Science Center; Memphis Tennessee USA
11. Department of Neurology; University of New Mexico; Albuquerque New Mexico USA
12. Booth Gardner Parkinson's Care Center; Kirkland Washington USA
13. Department of Neurology; Johns Hopkins University; Baltimore Maryland USA
14. Department of Neurology; Houston Methodist; Houston Texas USA
15. Department of Neurology; Beth Israel Deaconess Medical Center; Boston Massachusetts USA
16. Division of Neurology, Department of Medicine; University of Toronto, University Health Network; Toronto Ontario Canada
17. Department of Neurology and Psychiatry; Sapienza University of Rome and IRCCS Neuromed; Italy
18. Department of Neurology; Virginia Commonwealth University; Richmond Virginia USA
19. Neurology Department; West-mead Hospital; Westmead Australia
20. The Parkinson and Movement Disorder Institute; Fountain Valley California USA
21. Department of Neurosciences; University of California; San Diego California USA
22. Department of Neurology; University of Chicago Medical Center; Chicago Illinois USA
23. Human Motor Control Section, National Institutes of Neurological Disorders and Stroke, National Institutes of Health; Bethesda Maryland USA
24. Department of Neurology; Emory University; Atlanta Georgia USA
25. Departments of Psychiatry, Radiology, Neurobiology, Physical Therapy, and Occupational Therapy; Washington University School of Medicine; St. Louis Missouri USA