About the Authors

Mhairi Maskew

mmaskew@heroza.org

Affiliation Health Economics and Epidemiology Research Office, Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Matthew P. Fox

Affiliations Health Economics and Epidemiology Research Office, Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa, Center for Global Health and Development, Boston University, Boston, Massachusetts, United States of America, Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, United States of America

Gilles van Cutsem

Affiliations Médecins Sans Frontières, Cape Town, South Africa, Centre for Infectious Disease Epidemiology and Research (CIDER), University of Cape Town, Cape Town, South Africa

Kathryn Chu

Affiliation South Africa Medical Unit (SAMU), Médecins Sans Frontières, Johannesburg, South Africa

Patrick MacPhail

Affiliation Health Economics and Epidemiology Research Office, Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Andrew Boulle

Affiliation Centre for Infectious Disease Epidemiology and Research (CIDER), University of Cape Town, Cape Town, South Africa

Matthias Egger

Affiliation Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland

for IeDEA Southern Africa

Competing Interests

The authors declare the co-author Andrew Boulle is a PLOS ONE Editorial Board member and that this does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MM MPF GVC KC PM ME. Performed the experiments: MM MPF AB. Analyzed the data: MM. Contributed reagents/materials/analysis tools: AB ME. Wrote the paper: MM MPF GVC KC PM AB ME.