1. Departments of Obstetrics and Gynecology (M.C.M., A.C., S.C., G.P.), 40138 Bologna, Italy
2. Department of Medicine, University of Washington (W.J.B.), Seattle, Washington 98108
3. Jenapharm (D.H., B.K.), D-07745 Jena, Germany
4. Internal Medicine (A.M.M.-L., C.P.), 40138 Bologna, Italy
5. Urology (A.B.), S. Orsola-Malpighi Hospital and University of Bologna, 40138 Bologna, Italy