1. Department of Medical Psychology and Medical Sociology; University Medical Center Leipzig; Leipzig Germany
2. Department and Outpatient Clinic of Medical Psychology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
3. Department of Psychosomatic Medicine and Psychotherapy; Universal Medical Center Mainz; Mainz Germany
4. Division of Psychooncology, Department for Psychosomatic and General Clinical Medicine; University Hospital Heidelberg; Heidelberg Germany
5. Department of Medical Biometry and Epidemiology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
6. Department of Psychooncology; UKF Reha gGmbh University Clinic Center Freiburg; Freiburg im Breisgau Germany
7. Deanery; University Medical Center Hamburg-Eppendorf; Hamburg Germany
8. Department of Medical Psychology and Psychotherapy, Medical Sociology and Rehabilitation Sciences, and Comprehensive Cancer Center Mainfranken; University of Würzburg; Würzburg Germany