1. Departments of Cellular and Molecular Physiology (V.L.N., J.M.M.), Hershey, Pennsylvania 17033
2. Departments of Pediatrics and Medicine, University of Chicago (K.Q., R.L.R.), Chicago, Illinois 60637
3. Center for Research on Reproduction and Women’s Health, University of Pennsylvania (J.R.W., J.F.S.), Philadelphia, Pennsylvania 19104
4. Department of Pharmacology, Biochemistry, and Biophysics, University of Pennsylvania (T.M.P.), Philadelphia, Pennsylvania 19104
5. Obstetrics and Gynecology (R.S.L.). Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033