1. Center for Neuroendocrine Studies and Neuroscience and Behavior Program (P.S.Q., J.L.P., A.Y.N.G., G.J.D., C.K.W.), University of Massachusetts, Amherst, Massachusetts 01003
2. Department of Psychology and Center for Neuroscience Research (P.S.Q., C.K.W.), University at Albany-SUNY, Albany, New York 12222