1. Colorado Center for Reproductive Medicine, Englewood 2. The Center for Reproductive Medicine and Infertility at NewYork-Presbyterian Hospital/Weill-Cornell Medical Center, New York City 3. University Fertility Consultants at Oregon Health & Science University, Portland 4. New York University School of Medicine, Program for In-Vitro Fertilization, Reproductive Surgery, and Infertility, New York City 5. The Infertility Center of St. Louis at St. Luke's Hospital 6. The Nevada Center for Reproductive Medicine, Reno 7. Presbyterian Hospital ARTS Program, Dallas and Plano, TX 8. Florida Institute for Reproductive Medicine, Jacksonville 9. Southern California Reproductive Center, Beverly Hills 10. Center for Reproductive Medicine of New Mexico, Albuquerque