1. Division of Endocrinology, Diabetes, and Metabolism (M.K.B., J.S.F., E.M.-F.), Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215;
2. BioTechnology Discovery Research (A.Ko., A.Kh.), Lilly Research Laboratories, Indianapolis, Indiana 46285
3. Division of Endocrinology Harvard Medical School (J.S.F.), Boston, Massachusetts 02215;