1. Department of Medical Psychology and Psychotherapy, Medical Sociology and Rehabilitation Sciences, University of Würzburg, Würzburg, Germany;
2. Department of Radiation Oncology, University of Würzburg, Würzburg, Germany;
3. Comprehensive Cancer Center Mainfranken, University of Würzburg, Würzburg, Germany;
4. Martini Clinic, Prostate Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
5. Department and Outpatient Clinic of Medical Psychology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
6. Department of Medical Psychology and Medical Sociology, Section of Psychosocial Oncology, University Medical Center Leipzig, Leipzig, Germany.