1. Division of Reproductive Endocrinology (S.F.P.), Department of Obstetrics and Gynecology, Yale University School of Medicine, New Haven, Connecticut
2. Division of Reproductive Sciences (A.B.T., E.Y.A.), Department of Obstetrics and Gynecology, University of Utah Health Sciences Center, Salt Lake City, Utah
3. Department of Obstetrics and Gynecology (A.H.), Sheba Medical Center, Tel Aviv University, Sackler School of Medicine, Tel-Hashomer, Ramat-Gan, Israel
4. Division of Endocrinology and Metabolism (J.D.V.), University of Virginia Health Sciences Center, Charlottesville, Virginia