About the Authors

Carol S. Camlin

carol.camlin@ucsf.edu

Affiliation Center for AIDS Prevention Studies, University of California San Francisco, San Francisco California, United States of America

Victoria Hosegood

Affiliations Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom, Africa Centre for Health and Population Studies, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Somkhele, South Africa

Marie-Louise Newell

Affiliations Africa Centre for Health and Population Studies, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Somkhele, South Africa, Centre for Paediatric Epidemiology and Biostatistics and Institute of Child Health, University College London, London, United Kingdom

Nuala McGrath

Affiliations Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom, Africa Centre for Health and Population Studies, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Somkhele, South Africa

Till Bärnighausen

Affiliations Africa Centre for Health and Population Studies, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Somkhele, South Africa, Department of Global Health and Population, Harvard School of Public Health, Boston, Massachusetts, United States of America

Rachel C. Snow

Affiliation Department of Health Behavior and Health Education, University of Michigan School of Public Health, Ann Arbor, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CSC VH MLN RCS. Performed the experiments: CSC. Analyzed the data: CSC. Contributed reagents/materials/analysis tools: VH NM TB RCS. Wrote the paper: CSC. Edited the paper: VH MLN NM TB RCS.