1. Departments of Obstetrics and Gynecology (L.E., J.J.P.) Farmington, Connecticut 06030
2. Faculty of Clinical Medicine (R.L., M.W.), Mannheim Institute of Clinical Pharmacology, University of Heidelberg, D-68135 Mannheim, Germany
3. Medicine/Experimental Medicine (M.W.), AstraZeneca R&D, S-48183 Molndal, Sweden
4. Cell Biology (J.J.P.), University of Connecticut Health Center, Farmington, Connecticut 06030