1. Department of Neurology University Hospital of Giessen and Marburg Marburg Germany
2. Department of Neurology Helsinki University Central Hospital Helsinki Finland
3. Department of Clinical Neurosciences (Neurology) University of Helsinki Helsinki Finland
4. BioMag Laboratory, Helsinki University Hospital Medical Imaging Center University of Helsinki and Helsinki University Hospital Helsinki Finland
5. Department of Pediatrics Faculty of Medicine and University Hospital Cologne, University of Cologne Cologne Germany
6. Department of Neurology Ernst‐von‐Bergmann Klinikum Potsdam Germany
7. Institute of Clinical Neuroscience and Medical Psychology, Department of Neurology, Medical Faculty Heinrich‐Heine‐University Düsseldorf Düsseldorf Germany
8. Center for Mind, Brain and Behavior Universities Marburg and Giessen Marburg Germany
9. Department of Neurology Faculty of Medicine and University Hospital Cologne, University of Cologne Cologne Germany
10. Cognitive Neuroscience, Institute of Neuroscience and Medicine (INM‐3) Research Center Jülich Jülich Germany