Affiliation: | 1. Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tübingen, Germany;2. Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Germany;3. Institute of Sport Science, University of Tübingen, Germany;4. Mannheim Institute of Public Health, Social and Preventive Medicine, Medical Faculty Mannheim, Heidelberg University, Germany |