1. Department of Obstetrics, Gynecology, & Reproductive Sciences, University of California, San Francisco
2. Gynuity Health Projects, New York, New York
3. Department of Epidemiology and Biostatistics, University of California, San Francisco
4. Maine Family Planning, Augusta
5. RHEDI/Montefiore Medical Center, Bronx, New York
6. University of Hawaii, Honolulu, Hawaii
7. Planned Parenthood North Central States, Minneapolis, Minnesota