1. Department of Psychology (T.D., K.T.N., A.L.E., L.R.W., R.L.S., S.F.M.), University of Colorado, Boulder, Colorado 80309-0345;
2. Clinical Neuroendocrinology Branch (J.L., M.-L.W., P.W.G.), National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland 20892-1284;
3. Developmental Neuroendocrinology Branch (G.P.C., E.W.), National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892-1284