1. Department of Psychosomatic MedicineRostock University Medical Center Rostock Germany
2. German Center for Neurodegenerative Diseases (DZNE) Rostock Germany
3. Department of Computer ScienceUniversity of Rostock Rostock Germany
4. German Center for Neurodegenerative Diseases (DZNE) Witten Germany
5. Faculty of HealthWitten/Herdecke University Witten Germany
6. Stadtische Seniorenheime Krefeld gGmbH Krefeld Germany