[1] Univ Connecticut, Dept Psychiat, 263 Farmington Ave, Farmington, CT 06032 USA
[2] Connecticut Valley Hosp, Addict Serv Div, Middletown, CT 06457 USA
[3] Inst Living, Dept Psychiat, Hartford, CT 06102 USA
[4] Islamabad Med & Dent Coll, Dept Med, Islamabad 44000, Pakistan
[5] Liaquat Coll Med & Dent, Dept Med, Karachi 75290, Pakistan
[6] Trinity Sch Med, Dept Med, Roswell, GA 30075 USA
[7] St Francis Hosp & Med Ctr, Addict Serv & Dual Diag Unit, Hartford, CT 06105 USA