1. Molecular and Cellular Gynecological Endocrinology Laboratory (T.S., C.S., P.M., M.S.G., X.-D.F., C.B., S.G., A.C., L.F., A.R.G.), Department of Reproductive Medicine and Child Development, University of Pisa, 56100 Pisa, Italy;
2. Department of Obstetrics, Gynecology and Reproductive Sciences (A.F.), Yale University, New Haven, Connecticut 06520
3. Department of Obstetrics and Gynecology (F.N.), New York University, New York, New York 10010;