1. Section of Hematology Oncology; Boston University School of Medicine; Boston Massachusetts
2. NOVA Research Company; Silver Spring Maryland
3. Denver Health; Denver Colorado
4. University of Colorado at Denver; Aurora Colorado
5. Division of Cancer Prevention and Control; Department of Internal Medicine; College of Medicine and Comprehensive Cancer Center, The Ohio State University; Columbus Ohio
6. Department of Obstetrics and Gynecology; University of Texas Health Science Center at San Antonio; San Antonio Texas
7. Department of Obstetrics and Gynecology; University of Virginia; Charlottesville Virginia
8. University of New Mexico Comprehensive Cancer Center, University of New Mexico School of Medicine; Albuquerque New Mexico
9. The George Washington University School of Public Health and Health Services; Washington DC
10. The George Washington Cancer Institute; Washington DC
11. Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Tufts University School of Medicine; Boston Massachusetts