1. Institute for Global Health; UCL; London UK
2. Department of HIV/AIDS and STIs; Ministry of Health and Childcare; Harare Zimbabwe
3. Zimbabwe National AIDS Council; Harare Zimbabwe
4. Centre for Sexual Health; HIV/AIDS Research Zimbabwe; Harare Zimbabwe
5. Faculty of Public Health and Policy; London School of Hygiene and Tropical Medicine (LSHTM); London UK
6. RTI International; San Francisco CA USA
7. Department of Social and Environmental Health Research; London School of Hygiene & Tropical Medicine; London UK
8. TB and AIDS Unit; Zimbabwe Ministry of Health; Harare Zimbabwe
9. Department of International Public Health; Liverpool School of Tropical Medicine; Liverpool UK