1. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA.
2. Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
3. Department of Gynecologic Oncology and Reproductive Medicine, HART Fertility Center, Houston, Texas, USA.