1. Department of Obstetrics, Gynecology and Women’s Health (N.S.), Albert Einstein College of Medicine, Bronx, New York 10461
2. University of Medicine and Dentistry/New Jersey Medical School (N.S., J.T., G.W.), Newark, New Jersey 07103
3. New England Research Institutes (S.C., J.E.A.), Watertown, Massachusetts 02472
4. Massachusetts General Hospital (J.S.F.), Boston, Massachusetts 02114
5. University of California, Davis/Kaiser (E.B.G., W.L.L.), Davis, California 95616
6. University of California, Los Angeles (S.K.), Los Angeles, California 90095
7. Rush University, Rush-Presbyterian-St. Luke’s Medical Center (J.L.L.), Chicago, Illinois 60612
8. Laboratory: University of Michigan (D.M., M.F.S.), Ann Arbor, Michigan 48104