1. Division of Endocrinology, Department of Medicine (L.P.) New York Presbyterian Hospital and Weill Medical College of Cornell University, New York, New York 10021;
2. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Stanford University Medical Center (N.A.C., L.C.G.), Stanford, California 94305
3. Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology (Z.R.), New York Presbyterian Hospital and Weill Medical College of Cornell University, New York, New York 10021;