1. Departments of Nephrology/Hypertension (C.G.-M., S.S., G.E., B.M.F., F.J.F., M.G.M.), University Hospital Bern, Inselspital, 3010 Berne, Switzerland
2. Division of Vascular and Molecular Medicine (E.V.K., S.A.K.), Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215
3. Obstetrics and Gynecology (C.-B.P., M.U.B., D.S.), University Hospital Bern, Inselspital, 3010 Berne, Switzerland
4. Division of Histology (A.D.L.), Institute of Anatomy, University of Bern, 3000 Berne, Switzerland