1. American College of Obstetricians and Gynecologists, Washington, DC (N.O., J.M.C., C.Z.)
2. Oregon Health & Science University, Portland, Oregon (H.D.N.)
3. American Academy of Family Physicians, Leawood, Kansas (J.F.)
4. Cedars-Sinai Medical Center, Los Angeles, California (K.D.G.)
5. National Association of Nurse Practitioners in Women's Health, Washington, DC (S.M.K.)
6. Women and Infants Hospital of Rhode Island, Providence, Rhode Island (M.P.)
7. Kaiser Family Foundation, Menlo Park, California (A.S.)
8. California Department of Public Health, Sacramento, California (D.R.)
9. American College of Physicians, Philadelphia, Pennsylvania (A.Q.)