1. Bone Health Program (A.M.B.), Division of Orthopaedics and Sports Medicine, Children's National Medical Center, Washington, D.C. 20010-2970
2. Division of Endocrinology and Diabetes (A.M.B.), Children's National Medical Center, Washington, D.C. 20010-2970
3. Skeletal Clinical Studies Unit (A.M.B., M.T.C., R.I.G.), Bethesda, Maryland 20892
4. National Institutes of Health, Program in Developmental Endocrinology and Genetics (A.M.B.), Bethesda, Maryland 20892
5. Clinical Skeletal Diseases Branch, National Institute of Dental and Craniofacial Research, Radiology and Imaging Sciences Branch (T.H.S., S.C.H.), Bethesda, Maryland 20892
6. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Molecular Imaging Program (P.L.C.), Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892
7. Department of Radiology (M.C.H.), George Washington University Hospital, Washington, D.C. 20037
8. Rho, Inc (R.J., N.A.Y.), Chapel Hill, North Carolina 27517