1. Endocrine Research Unit (W.C., C.T., T.-H.C., S.A.P., D.S.), Veterans Affairs Medical Center, University of California, San Francisco, California 94121
2. Department of Medicine, Department of Dermatology (L.K., Y.O.), Veterans Affairs Medical Center, University of California, San Francisco, California 94121
3. Department of Radiobiology (S.M.), School of Medicine, University of Utah, Salt Lake City, Utah 84112