1. Division of Cancer Epidemiology; German Cancer Research Center (DKFZ); Heidelberg Germany
2. Division of Preventive Oncology; National Center for Tumor Diseases (NCT) and DKFZ; Heidelberg Germany
3. Division of Clinical Epidemiology and Aging Research; DKFZ; Heidelberg Germany
4. Division of Biostatistics; DKFZ; Heidelberg Germany
5. Oslo Center for Biostatistics and Epidemiology, Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Oslo; Norway
6. Department of General; Visceral and Transplantation Surgery, University Hospital Heidelberg, University of Heidelberg; Heidelberg Germany
7. Huntsman Cancer Institute, University of Utah; Salt Lake City UT
8. Division of Molecular Epidemiology; DKFZ; Heidelberg Germany
9. Division of Molecular Biology of Breast Cancer, Department of Gynecology and Obstetrics; University of Heidelberg; Heidelberg Germany
10. German Cancer Consortium (DKTK); Heidelberg Germany
11. University Cancer Center Hamburg (UCCH), University Medical Center Hamburg-Eppendorf; Hamburg Germany