1 Regional Inter-Agency Task Team on Children Affected by AIDS in Eastern and Southern Africa, Johannesburg 2194, South Africa. Electronic address: shakira@shakirachoonara.com.
2 Regional Inter-Agency Task Team on Children Affected by AIDS in Eastern and Southern Africa, Johannesburg 2194, South Africa; HEARD, University of KwaZulu-Natal, Durban, South Africa.
3 Regional Inter-Agency Task Team on Children Affected by AIDS in Eastern and Southern Africa, Johannesburg 2194, South Africa.
4 Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, South Africa.