1. Division of Cancer Prevention and Control, Ohio State University, Columbus, Ohio.
2. Comprehensive Cancer Center, Ohio State University, Columbus, Ohio.
3. Department of Obstetrics and Gynecology, University of Texas Health Science Center at San Antonio, San Antonio, Texas.
4. Center for Biostatistics, Ohio State University, Columbus, Ohio.
5. Department of Psychology, San Diego State University, San Diego, California.
6. Division of Health Policy and Administration, School of Public Health, University of Illinois at Chicago, Chicago, Illinois.
7. Division of Oncology, Department of Family Medicine, Community, and Preventive Medicine, James P. Wilmont Cancer Center, University of Rochester, Rochester, New York.
8. George Washington University Cancer Institute, Washington, DC.
9. Duke Cancer Institute, Durham, North Carolina.
10. Northwest Portland Area Indian Health Board, Northwest Tribal Epidemiology Center, Portland, Oregon.
11. Women's Health Unit, Section of General Internal Medicine, Evans Department of Medicine, Boston Medical Center and Women's Health Interdisciplinary Research Center, Boston University School of Medicine, Boston, Massachusetts.