1. Endocrine Oncology Section (N.S.R., L.Z., N.N., E.K.), Bethesda, Maryland 20892
2. Surgery Branch, Genetics Branch (Y.W., H.S.S., J.K.K., D.C.E., P.S.M.), Bethesda, Maryland 20892
3. Laboratory of Pathology (M.M.), National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892
4. Section on Endocrinology and Genetics (C.A.S.), Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892