[1] Univ KwaZulu Natal, Howard Coll, Sch Psychol, ZA-4000 Durban, South Africa
[2] Human Sci Res Council, Durban, South Africa
[3] McCord Hosp, Dept Psychol, Durban, South Africa
[4] Mt Sinai Sch Med, Dept Psychiat & Community Med, New York, NY USA
[5] New York State Psychiat Inst & Hosp, HIV Ctr Clin & Behav Studies, New York, NY 10032 USA
[6] Columbia Univ, Dept Psychiat, New York, NY USA