About the Authors

Daniel Westreich

daniel.westreich@duke.edu

Affiliation Department of Obstetrics and Gynecology and Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America

Mhairi Maskew

Affiliations Health Economics and Epidemiology Research Office, Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa, Clinical HIV Research Unit, Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Denise Evans

Affiliations Health Economics and Epidemiology Research Office, Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa, Clinical HIV Research Unit, Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Cindy Firnhaber

Affiliations Clinical HIV Research Unit, Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa, Right to Care, Johannesburg, South Africa

Pappie Majuba

Affiliation Right to Care, Johannesburg, South Africa

Ian Sanne

Affiliations Clinical HIV Research Unit, Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa, Right to Care, Johannesburg, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Collected the clinical data: MM DE CF PM IS. Conceived and designed the experiments: DW. Performed the experiments: DW. Analyzed the data: DW MM. Contributed reagents/materials/analysis tools: MM DE CF PM IS. Wrote the paper: DW MM DE CF PM IS.