1. Department of Epidemiology; University of North Carolina at Chapel Hill; NC 27599
2. Lineberger Comprehensive Cancer Center; Chapel Hill NC USA 27599
3. Department of Biostatistics; University of North Carolina at Chapel Hill; NC 27599
4. Department of Obstetrics and Gynecology; University of North Carolina at Chapel Hill; NC 27599
5. Department of Obstetrics and Gynecology; Duke University School of Medicine; Durham NC 27710
6. Department of Biological Sciences; Center for Human Health and the Environment, North Carolina State University; Raleigh NC 27695
7. Department of Obstetrics and Gynecology; Virginia Tech Carilion School of Medicine; Roanoke VA 24101
8. Department of Pathology; Duke University School of Medicine; Durham NC 27710
9. Department of Surgery; Cedars-Sinai Medical Center; Los Angeles CA 90048
10. Department of Oncology, McArdle Laboratory for Cancer Research; University of Wisconsin-Madison; Madison WI 53706