1. Rhein-Jura-Klinik; Bad Säckingen Germany
2. Department of Psychiatry and Psychotherapy; University Medical Center Freiburg; Freiburg Germany
3. Department and Outpatient Clinic of Medical Psychology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
4. Department of Medical Psychology and Medical Sociology; Division of Psychosocial Oncology; University Medical Center Leipzig; Leipzig Germany
5. Department of Psychosomatic Medicine and Psychotherapy; Universal Medical Center Mainz; Mainz Germany
6. Department of Medical Psychology and Psychotherapy, Medical Sociology and Rehabilitation Sciences, and Comprehensive Cancer Center Mainfranken; University of Würzburg; Würzburg Germany
7. Division of Psychooncology; Department for Psychosomatic and General Clinical Medicine; University Hospital Heidelberg; Heidelberg Germany
8. Department of Medical Biometry and Epidemiology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
9. Department of Psychooncology, Tumor Biology Center; University of Freiburg; Freiburg Germany
10. Institute of Clinical Psychology and Psychotherapy and Center of Clinical Epidemiology and Longitudinal Studies (CELOS); Technical University Dresden; Dresden Germany