1. Department of General Internal Medicine and Psychosomatics; Heidelberg University Hospital; Heidelberg Germany
2. Heidelberg University Medical School; Heidelberg Germany
3. Soteria Bern; University Hospital of Psychiatry; Bern Switzerland
4. LVR-Clinic; Clinics and Institute of the University Duisburg-Essen; Germany
5. Department of Urology; Heidelberg University Hospital; Heidelberg Germany
6. Department of Oncology, Thorax Clinic Heidelberg; Heidelberg University Hospital; Heidelberg Germany
7. National Center for Tumor Diseases, Programme Ethics and Patient-Oriented Care; University of Heidelberg; Heidelberg Germany