1. Department of Medical Psychology and Psychotherapy, Medical Sociology and Rehabilitation Sciences, and Comprehensive Cancer Center Mainfranken; University of Würzburg; Würzburg Germany
2. Department of Medical Psychology and Medical Sociology, Section of Psychosocial Oncology; University Medical Center Leipzig; Leipzig Germany
3. Department of Psychosomatic Medicine and Psychotherapy; University Medical Center Mainz; Mainz Germany
4. Department and Outpatient Clinic of Medical Psychology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
5. Division of Psychooncology, Department for Psychosomatic and General Clinical Medicine; University Hospital Heidelberg; Heidelberg Germany
6. Department of Medical Biometry and Epidemiology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
7. Department of Psychooncology, Tumor Biology Center; University of Freiburg; Freiburg Germany