Affiliation: | (1) Section on Psychobiology, Biological Psychiatry Branch, National Institute of Mental Health, 20014 Bethesda, Maryland, U.S.A.;(2) Section on Psychogenetics, Biological Psychiatry Branch, National Institute of Mental Health, 20014 Bethesda, Maryland, U.S.A.;(3) Laboratory of Psychology, National Institute of Mental Health, 20014 Bethesda, Maryland, U.S.A.;(4) Section on Psychobiology, Biological Psychiatry Branch, National Institute of Mental Health, 20014 Bethesda, Maryland, U.S.A.;(5) Present address: Langley Porter Neuropsychiatric Institute, University of California, School of Medicine, 94143 San Fransisco, CA, U.S.A. |