1. Neuroendocrine Unit (P.K.F., I.S.W., K.K.M., M.M., A.K.), Boston, Massachusetts 02114;
2. Harvard Medical School (P.K.F., K.K.M., D.B.H., M.M., H.L., J.S.F., M.L.B., A.K.), Boston, Massachusetts 02115
3. Biostatistics Center (H.L.), Boston, Massachusetts 02114;
4. Endocrine Unit (J.S.F.), Massachusetts General Hospital, Boston, Massachusetts 02114;
5. Center for Advanced Orthopaedic Studies (M.L.B.), Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215;