1. Department of Epidemiology and Population HealthAlbert Einstein College of Medicine Bronx New York USA
2. Department of Neurology, Mount Sinai Beth Israel Medical CenterIcahn School of Medicine at Mount Sinai New York New York USA
3. Department of NeurologyUniversity of California San Francisco San Francisco California USA
4. Movement Disorders Unit, Department of NeurologyTel‐Aviv Sourasky Medical Center Tel Aviv Israel
5. Neurology Service, Hospital Clínic, Centro de Investigación Biomédica en Red sobre Enfermedades NeurodegenerativasUniversitat de Barcelona Catalonia Spain
6. Neurology Unit, Hospital General de GranollersUniversitat Internacional de Catalunya Granollers Barcelona Spain
7. Hertie‐Institut für klinische Hirnforschung Tubingen Germany
8. Movement Disorders Unit, Neurology ServiceHospital Universitari Germans Trias I Pujol Badalona Barcelona Spain
9. Department of NeurologyChristian‐Albrechts‐University Kiel Germany
10. Department of Neurology, St. Olavs Hospital, and Department of NeuroscienceNorwegian University of Science and Technology Trondheim Norway
11. Department of Neurology and Neurosurgery, Sackler Faculty of MedicineTel Aviv University Tel Aviv Israel
12. Neurology Department, Donostia University Hospital, Biodonostia Institut ResearchCentro de Investigacion Biomedica en Red sobre Enfermedades Neurodegenerativas San Sebastian Gipuzkoa Spain
13. The Susanne Levy Gertner Oncogenetics Unit, Institute of Human Genetics, Sheba Medical Center, Tel‐Hashomer and the Departments of Internal Medicine and Genetics and BiochemistrySackler Faculty of Medicine, Tel‐Aviv University Tel Aviv Israel
14. Parkinson's Disease and Movement Disorders Clinic and Department of NeurologySheba Medical Center Tel Hashomer Ramat Gan Israel
15. Department of Neurology, College of Physicians and SurgeonsColumbia University New York New York USA
16. Department of Medical and Molecular GeneticsIndiana University School of Medicine Indianapolis Indiana USA