1. Department of Neurology Charité University Medicine Berlin Berlin Germany
2. Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology University College London London UK
3. Department of Neurology University Hospital Heidelberg Heidelberg Germany
4. Department of Neurology University Hospital Schleswig‐Holstein, Christian‐Albrechts‐University Kiel Germany
5. Department of Neurology University Medicine Göttingen Göttingen Germany
6. Department of Neurology, University Medical Centre Groningen University of Groningen Groningen The Netherlands
7. Reta Lila Weston Institute of Neurological Studies, UCL Institute of Neurology London UK
8. Clinic of Psychiatry, Socialpsychiatry and Psychotherapy Hannover Medical School Hannover Germany