1. Department of Neurology University Hospital Schleswig Holstein Kiel Germany
2. Department of Neurology, Movement Disorders and Neuromodulation Section Charité Medicine University of Berlin Berlin Germany
3. Department of Neurology University Hospital Bern and University of Bern Bern Switzerland
4. Coordinating Center for Clinical Trials Philipps‐University Marburg Germany
5. Department of Neurology University Hospital Giessen and Marburg Marburg Germany
6. Department of Neurology Institute of Clinical Neuroscience and Medical Psychology, Heinrich‐Heine University Duesseldorf Duesseldorf Germany
7. Department of Neurosurgery University Hospital Schleswig Holstein Kiel Germany
8. Assistance‐Publique Hôpitaux de Paris, Center d'Investigation Clinique 9503 Institut du Cerveau et de la Moelle épinière Paris France
9. Département de Neurologie Université Pierre et Marie Curie‐Paris 6 et INSERM Paris France
10. Department of Neurology NS‐PARK/F‐CRIN, University Hospital of Besançon Besançon France
11. Center de Neuroimagerie de Recherche Institut du Cerveau et de la Moelle (ICM) Paris France
12. Institute of Neurology Konolfingen Switzerland
13. Department of Neurology University of Cologne, Faculty of Medicine Cologne Germany
14. Université Grenoble Alpes Inserm, U1216, CHU Grenoble Alpes, Grenoble Institut Neurosciences Grenoble France
15. Neurology Department Grenoble University Hospital Grenoble France
16. Department of Neurology INSERM Unite 1214, University Hospital Toulouse Toulouse France
17. Department of Neurosurgery and Neurotechnology Institute for Neuromodulation and Neurotechnology University Hospital and University of Tuebingen Tuebingen Germany
18. Department of Neurology and Neurorehabilitation Hospital zum Heiligen Geist GmbH & Co.KG Academic Teaching Hospital of the Heinrich‐Heine‐University Düsseldorf Von‐Broichhausen‐Allee 1 Kempen Germany
19. Department of Neurosurgery University of Freiburg Freiburg Germany
20. Hospices Civils de Lyon, Hôpital Neurologique Pierre Wertheimer Service de Neurologie C, Center Expert Parkinson Bron France
21. Université Lyon, Université Claude Bernard Lyon 1, Faculté de Médecine Lyon Sud Charles Mérieux Oullins France
22. CHU Nantes, INSERM CIC1413, Hôpital Laënnec Nantes France
23. Department of Neurology Timone University Hospital UMR 7289, CNRS Marseille Marseille France
24. Department of Neurology, Sorbonne Université, ICM UMR1127, INSERM &1127, CNRS 7225 Salpêtriere University Hospital AP‐HP Paris France