[1] New York State Psychiat Inst & Hosp, Dept Clin Psychopharmacol, New York, NY 10032 USA
[2] New York State Psychiat Inst & Hosp, Dept Biol Psychiat, New York, NY 10032 USA
[3] Columbia Univ, Coll Phys & Surg, Dept Psychiat, New York, NY 10027 USA
[4] Columbia Univ, Coll Phys & Surg, Dept Radiol, New York, NY 10027 USA