About the Authors

Webster Mavhu

wmavhu@gmail.com

Affiliations Zimbabwe AIDS Prevention Project, Department of Community Medicine, University of Zimbabwe, Harare, Zimbabwe, Research Department of Infection and Population Health, Centre for Sexual Health and HIV Research, University College London, London, United Kingdom

Karin Hatzold

Affiliation Population Services International, Harare, Zimbabwe

Susan M. Laver

Affiliation Collaborating Centre for Operational Research and Evaluation (CCORE), UNICEF, Harare, Zimbabwe

Judith Sherman

Affiliation UNICEF, Harare, Zimbabwe

Brenda R. Tengende

Affiliation Zimbabwe AIDS Prevention Project, Department of Community Medicine, University of Zimbabwe, Harare, Zimbabwe

Collin Mangenah

Affiliation Zimbabwe AIDS Prevention Project, Department of Community Medicine, University of Zimbabwe, Harare, Zimbabwe

Lisa F. Langhaug

Affiliation Research Department of Infection and Population Health, Centre for Sexual Health and HIV Research, University College London, London, United Kingdom

Graham Hart

Affiliation Research Department of Infection and Population Health, Centre for Sexual Health and HIV Research, University College London, London, United Kingdom

Frances M. Cowan

Affiliations Zimbabwe AIDS Prevention Project, Department of Community Medicine, University of Zimbabwe, Harare, Zimbabwe, Research Department of Infection and Population Health, Centre for Sexual Health and HIV Research, University College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WM KH SML JS BRT CM LFL GH FMC. Performed the experiments: BRT CM WM. Analyzed the data: BRT CM WM. Contributed reagents/materials/analysis tools: WM KH SML JS BRT CM LFL GH FMC. Wrote the paper: WM KH SML JS BRT CM LFL GH FMC.