1. Department of Neurology Emory University School of Medicine Atlanta Georgia USA
2. Department of Neurology University of New Mexico Health Sciences Center Albuquerque New Mexico USA
3. Department of Neurology, Radiology, Neuroscience, Physical Therapy and Occupational Therapy Washington University School of Medicine St Louis Missouri USA
4. Human Motor Control Section, National Institute of Neurological Disorders and Stroke (NINDS) National Institute of Health (NIH) Bethesda Maryland USA
5. Institute of Neurogenetics and Department of Neurology University of Luebeck and University Hospital of Schleswig‐Holstein Luebeck Germany
6. Fixel Institute for Neurological Disease, University of Florida Department of Neurology University of Florida Gainesville Florida USA
7. Department of Neurology University of Maryland School of Medicine Baltimore Batimore Maryland USA
8. Department of Neurology Virginia Commonwealth University Richmond Virginia USA
9. Department of Neurology University of Colorado Aurora Colorado USA
10. Sorbonne University, Paris Brain Institute, Inserm, CNRS AP‐HP, Salpetrière Hospital Paris France
11. Department of Neurology, Parkinson's Disease Center and Movement Disorders Clinic Baylor College of Medicine Houston Texas USA
12. Rush Parkinson's Disease and Movement Disorders Program, Department of Neurological Sciences Chicago Illinois USA
13. James J and Joan A Gardner Center for Parkinson's Disease and Movement Disorders University of Cincinnati Academic Health Center Cincinnati Ohio USA
14. Department of Neurology University of Rochester Rochester New York USA
15. Department of Psychology University of Memphis Memphis Tennessee USA
16. Department of Neurology Johns Hopkins University School of Medicine Batimore Maryland USA
17. Beth Israel Deaconess Medical Center Harvard Medical School Boston Massachusetts USA
18. Department of Neurology University of Alabama at Birmingham Birmingham Alabama USA
19. Department of Human Neuroscience Sapienza University of Rome, Italy; IRCCS Neuromed Pozzilli Italy
20. Lahey Hospital and Medical Center Tufts University School Of Medicine Burlington Massachusetts USA
21. Department of Medical Sciences and Public Health University of Cagliari Cagliari Italy
22. Department of Neurology and Radiology Washington University School of Medicine St. Louis Missouri USA
23. Department of Human Genetics Emory University School of Medicine Atlanta Georgia USA