1. Division of Physical Activity, Prevention and Cancer German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT) Heidelberg Heidelberg Germany
2. Medical Faculty Heidelberg University Heidelberg Germany
3. Institute of Psychology Heidelberg University Heidelberg Germany
4. Division of Medical Oncology National Center for Tumor Diseases (NCT) Heidelberg and Heidelberg University Hospital Heidelberg Germany
5. Department of Psychosomatic Medicine and Psychotherapy University Medical Center Mainz, Johannes Gutenberg University Mainz Mainz Germany