1. Metabolex (F.M.G., H.J.C., L.E.C., Y.M., B.E.L.), Department of Biology, Hayward, Californaia 94545
2. Lilly Research Laboratories (F.Z.), Indianapolis, Indiana 46285
3. Pfizer, Inc. (T.A.G.), Groton, Connecticut 06340
4. Department of Medicine (D.D.S., S.F.), Division of Endocrinology and Metabolism, University of California, San Diego, California 92103
5. Johnson & Johnson PRD (J.L., D.R.), Exton, Pennsylvania 19341