1. Division of Endocrinology and Metabolism (G.S., M.S.-R., R.C.W., B.A.S., M.K.B., M.T.S., L.C., C.F.Y., R.M.O., E.E.K.), University of Pittsburgh, Pittsburgh, Pennsylvania 15261
2. Department of Obstetrics, Gynecology, and Reproductive Sciences (M.N.M.), Magee-Womens Hospital, University of Pittsburgh, Pittsburgh, Pennsylvania 15213
3. Department of Medicine, and Department of Cell Biology (D.B.S.), University of Pittsburgh, Pittsburgh, Pennsylvania 15261
4. Department of Biochemistry and Molecular Biology (T.P.), Dalhousie Medicine New Brunswick, Dalhousie University, St John, Canada NB E2L 4L5