1. Department of Endocrinology (S.C.G.), Davis, California 95616
2. School of Medicine, and Department of Nutrition (K.O., K.L.S., J.G., P.J.H.), University of California, Davis, Davis, California 95616
3. Pediatrics (D.M.S., N.G., M.H.C.), Davis, California 95616
4. Division of Endocrinology (D.E.C.), University of Washington Veterans Affairs Puget Sound Health Care System, Seattle, Washington 98108