[1] Yale Univ, Sch Med, Psychiat, New Haven, CT USA
[2] VA Connecticut Healthcare Syst, Psychol Serv, West Haven, CT USA
[3] VA Connecticut Healthcare Syst, Schizophrenia Res Program, Psychiat, West Haven, CT USA
[4] Connecticut Mental Hlth Ctr, Clin Neurosci Res Unit, New Haven, CT USA
[5] Natl Inst Mental Hlth & Neurosci, Res, Bangalore 560029, Karnataka, India
[6] Yale Univ, Sch Med, Yale PET Ctr, New Haven, CT USA