1. Medtronic Minneapolis Minnesota USA
2. Department of NeurologyUniversity Hospital Bern and University of Bern Bern Switzerland
3. University of Paris Paris France
4. Institute of Clinical Neuroscience and Medical Psychology, and Department of NeurologyHeinrich‐Heine University Duesseldorf Duesseldorf Germany
5. Department of Neurology, Clinical Investigational Centers‐Institut National de la Sante et de la Recherche Medicale 1402, Centre Hospitalier Universitaire of PoitiersUniversity of Poitiers Poitiers France
6. Universitätsklinikum Giessen und Marburg Marburg Germany
7. The Coordinating Center for Clinical TrialsPhilipps University Marburg Germany
8. Sorbonne Université, Insitut du Cerveau et de la Moelle Epinere UMR1127, Insitut National de la Sante et de la Recherche Medicale &1127, Centre National de la Recherche Scientifique 7225, Department of NeurologySalpêtriere University Hospital Assistance Publique – Hôpitaux de Paris Paris France
9. Department of Neurology, Universitätsklinikum Schleswig‐HolsteinKiel Campus Christian‐Albrechts‐University Kiel Germany