1. Institute for Global Health University College London London United Kingdom
2. World Health Organization Geneva Switzerland
3. Population Services International Washington DC USA
4. Department of Global Health and Development London School of Hygiene and Tropical Medicine London United Kingdom
5. Institute of Psychology, Health and Society University of Liverpool Liverpool United Kingdom
6. Department of Medical Ethics and Health Policy Perelman School of Medicine University of Pennsylvania Philadelphia PA USA
7. Centre for Sexual Health and HIV AIDS Research (CeSHHAR) Harare Zimbabwe
8. Liverpool School of Tropical Medicine Liverpool United Kingdom
9. Zimbabwe Ministry of Health and Child Care Harare Zimbabwe
10. Centre for Health Economics University of York York United Kingdom
11. Malawi–Liverpool–Wellcome Trust Clinical Research Programme Blantyre Malawi
12. Department of Clinical Research London School of Hygiene& Tropical Medicine London United Kingdom