1. Departments of Obstetrics and Gynecology (C.K., J.M., K.N., B.L., P.J., J.C.C.), Magee Women's Research Institute, University of Pittsburgh, Pittsburgh, Pennsylvania 15213
2. Department of Obstetrics, Gynecology, and Reproductive Sciences (E.D.A., G.W.A.), Center for Studies in Reproduction, University of Maryland School of Medicine, Baltimore, Maryland 21201
3. Center for Pregnancy and Newborn Research (P.W.N.), The University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229
4. Departments of Cell Biology (J.C.C.), Magee Women's Research Institute, University of Pittsburgh, Pittsburgh, Pennsylvania 15213