1. Division of Reproductive Endocrinology, Department of Obstetrics & Gynecology, and Division of Reproductive Endocrinology, Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas
2. Division of Reproductive Endocrinology, Department of Obstetrics & Gynecology, and Division of Reproductive Endocrinology, Department of Internal Medicine, University of Texas Medical Branch, Galveston, Texas; University of Texas Medical Branch, Department of Obstetrics & Gynecology, 301 University Boulevard, Galveston, TX 77555-0587