1. Department of Obstetrics and Gynecology, Jamaica Hospital Medical Center, Jamaica, NY 11418, USA
2. Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, Stanford University Hospital and Clinics, Stanford, CA 94305, USA
3. Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, UCLA, Los Angeles, CA 94305, USA
4. Department of Obstetrics, Gynecology & Reproductive Sciences, Yale University School of Medicine, New Haven, CT 06510, USA