1. Department of Neurosurgery Inselspital, Bern University Hospital, University of Bern Bern Switzerland
2. Department of Neurology Charite‐Universitätsmedizin Berlin, Movement Disorders and Neuromodulation Unit Berlin Germany
3. Department of Neurology University Hospital Cologne Cologne Germany
4. Department of Neurosurgery Academic Medical Center Amsterdam The Netherlands
5. Nuffield Department of Clinical Neuroscience and Nuffield Department of Surgical Sciences University of Oxford Oxford UK
6. Department of Neurology Inselspital, Bern University Hospital, University of Bern Bern Switzerland
7. ARTORG Center for Biomedical Engineering Research, University of Bern Bern Switzerland
8. Department of Stereotactic and Functional Neurosurgery University Hospital Cologne, and University of Cologne, Faculty of Medicine Cologne Germany