1. Department of Medical Psychology and Medical Sociology; University Medical Center Leipzig; Leipzig Germany
2. Department of Psychosomatic Medicine and Psychotherapy; Universal Medical Center Mainz; Mainz Germany
3. Department of Medical Psychology and Psychotherapy, Medical Sociology and Rehabilitation Sciences, and Comprehensive Cancer Center Mainfranken; University of Würzburg; Würzburg Germany
4. Department and Outpatient Clinic of Medical Psychology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
5. Department of Psychooncology, Tumor Biology Center; University Medical Center Freiburg; Freiburg Germany
6. Deanery, University Medical Center Hamburg-Eppendorf; Hamburg Germany
7. Institute of Clinical Psychology and Psychotherapy; Technical University Dresden; Dresden Germany