1. Health Economics Unit School of Public Health & Family Medicine University of Cape Town Cape Town South Africa
2. Mailman School of Public Health ICAP at Columbia University New York NY USA
3. College of Physicians & Surgeons Columbia University New York NY USA
4. Division of Epidemiology & Biostatistics University of Cape Town Cape Town South Africa
5. ICAP at Columbia University Mbabane Swaziland
6. Monitoring & Evaluation Deputy Prime Minister's Office Mbabane Swaziland
7. Desmond Tutu HIV Foundation University of Cape Town Cape Town South Africa
8. Swaziland Ministry of Health Mbabane Swaziland