作者单位:Harvard Med Sch, McLean Hosp, Biol Psychiat Lab, Belmont, MA USA[1]NIDA, Med Consequences Branch, Div Therapeut & Med Consequences, NIH, Bethesda, MD 20892 USA[2]Harvard Med Sch, Brigham & Womens Hosp, Res Program Mens Hlth Aging & Metab, 221 Longwood Ave[3]