1. Departments of Pharmacology (A.K.M., B.A.P., E.R.L.), University of California, Irvine, Irvine, California 92717
2. Division of Endocrinology, Long Beach Veteran Affairs Medical Center, Long Beach, California 90822; and Departments of Medicine (A.P., M.R., R.-M.H., E.B., E.R.L.), University of California, Irvine, Irvine, California 92717