[1] New York State Psychiat Inst & Hosp, Div Cognit Neurosci, New York, NY 10032 USA
[2] Columbia Univ Coll Phys & Surg, Dept Psychiat, New York, NY 10032 USA
[3] New York State Psychiat Inst & Hosp, Depress Evaluat Serv, New York, NY 10032 USA
[4] Univ Penn, Dept Psychiat, Philadelphia, PA 19104 USA