1. Department of Psychiatry and Psychotherapy, University Hospital Tübingen, Calwerstraße 14, 72076 Tübingen, Germany
2. Geriatric Center at the University Hospital Tübingen, Calwerstraße 14, 72076 Tübingen, Germany
3. Institute for Occupational and Social Medicine, and Health Services Research, University of Tübingen, Wilhelmstraße 27, 72074 Tübingen, Germany
4. Coordination Centre, Core Facility for Health Services Research, Faculty of Medicine, Eberhard Karls University of Tübingen, Wilhelmstraße 27, 72074 Tübingen, Germany
5. Department of General Practice, University of Tübingen, Österbergstraße 9, 72074 Tübingen, Germany
6. LEAD Graduate School, University of Tübingen, Gartenstraße 29a, 72074 Tübingen, Germany