1. Integrative Reproductive Medicine Unit (V.B.P., K.A.C., V.H.V., L.M.N.), Intramural Research Program on Reproductive and Adult Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892-1103
2. Clinical Endocrinology Branch (G.C.), National Institute of Diabetes and Digestive Diseases, National Institutes of Health, Bethesda, Maryland 20892-1103
3. Radiology Department (J.C.R.), Mark O. Hatfield Clinical Research Center, National Institutes of Health, Bethesda, Maryland 20892-1103
4. Nutrition Department (N.S.), Mark O. Hatfield Clinical Research Center, National Institutes of Health, Bethesda, Maryland 20892-1103
5. Biostatistics and Bioinformatics Branch (J.F.T.), Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892-1103