1. Movement Disorders Hospital Kliniken Beelitz GmbH Beelitz‐Heilstätten Germany
2. Department of Neurology University Hospital Münster Münster Germany
3. Department of Neurology Otto‐von‐Guericke University Magdeburg Magdeburg Germany
4. Department of Linguistics University of Potsdam Potsdam Germany
5. Department of Neurology Klinikum Osnabrück Osnabrück Germany