1. From the Department of Obstetrics and Gynecology (I.B., F.B., B.I., R.S., S.S., M.R.), Clinic for Reproductive Endocrinology, University Hospital Zurich, Zurich, Switzerland; Zurich Center for Integrative Human Physiology (R.K.D.), University of Zurich, Zurich, Switzerland; Departments of Medicine (E.K.J., R.K.D.) and Pharmacology and Chemical Biology (E.K.J.), University of Pittsburgh School of Medicine, Pittsburgh, Pa; Department of Molecular Biology and Biochemistry (J.-H.K., C.C.W.H.) and...