[1] Univ Zimbabwe, Dept Psychiat, Harare, Zimbabwe
[2] UCL, London, England
[3] Univ Zimbabwe, Dept Community Med, Zimbabwe Aids Prevent Project, Harare, Zimbabwe
[4] Womens Univ, Harare, Zimbabwe
[5] Kings Coll London, Inst Psychiat, London, England
[6] Univ Cape Town, Cape Town, South Africa