1. Médecins Sans Frontières; Operational Centre Brussels; Brussels Belgium
2. Médecins Sans Frontières; Southern Africa Medical Unit, Cape Town South Africa
3. University of Cape Town; Cape Town South Africa
4. Médecins Sans Frontières; Operational Centre Geneva; Geneva Switzerland
5. Médecins Sans Frontières; Operational Centre Paris; Paris France
6. World Health Organisation; Dept HIV/AIDS; Geneva Switzerland