1. Comprehensive Cancer Center Munich Germany
2. Department of Psychosomatic Medicine and PsychotherapyTechnical University of Munich, School of Medicine, Klinikum rechts der Isar Munich Germany
3. Institute for PsychooncologyKlinikum Lippe Lemgo Germany
4. Section of Health Care Research and Rehabilitation ResearchFaculty of Medicine and Medical Center University of Freiburg Freiburg Germany
5. Department of UrologyTechnical University of Munich, School of Medicine, Klinikum rechts der Isar Munich Germany
6. Department of Pediatric Hematology, Oncology, Hemostaseology and Stem Cell TransplantationDr. von Hauner University Children's Hospital, Ludwig Maximilian University Munich Munich Germany
7. Onkotrakt AG Hamburg Germany
8. Comprehensive Cancer Center, Department of Self‐Help ResearchFaculty of Medicine and Medical Center University of Freiburg Freiburg Germany