1. Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
2. Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
3. Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
4. Department of Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School, Boston, MA