1. Institute for Clinical Research and Health Policy Studies, Tufts Medical Center and Tufts University School of Medicine; Boston Massachusetts
2. NOVA Research Company; Silver Spring Maryland
3. Department of Obstetrics and Gynecology; Northwestern University Feinberg School of Medicine; Chicago Illinois
4. Department of Preventive Medicine; Northwestern University Feinberg School of Medicine; Chicago Illinois
5. Robert H. Lurie Comprehensive Cancer Center; Chicago Illinois
6. Rutgers School of Public Health; Piscataway New Jersey
7. Rutgers Cancer Institute of New Jersey; New Brunswick New Jersey
8. Northwest Tribal Epidemiology Center; Northwest Portland Area Indian Health Board; Portland Oregon
9. Department of Obstetrics and Gynecology; University of Texas Health Science Center at San Antonio; San Antonio Texas
10. Department of Internal Medicine; University of New Mexico; Albuquerque New Mexico
11. University of New Mexico Comprehensive Cancer Center; Albuquerque New Mexico
12. George Washington University Cancer Institute; Washington DC
13. Duke Cancer Institute; Durham North Carolina
14. Public Health Sciences; Loyola University Chicago; Chicago Illinois
15. Department of Family Medicine; Department of Public Health Sciences; University of Rochester; Rochester New York
16. Colorado Department of Public Health and Environment; Denver Colorado