1. Ob-Gyn Center Epidemiology Center, Department of Obstetrics, Gynecology, and Reproductive Biology, Brigham and Women’s Hospital, Boston, MA, USA
2. Reproductive Endocrinology Unit Laboratory, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
3. Biostatistics Center, Massachusetts General Hospital, Boston, MA, USA
4. Laboratory of Gynecologic Oncology, Department of Obstetrics, Gynecology, and Reproductive Biology, Brigham and Women’s Hospital, Boston, MA, USA