About the Authors

Judith R. Glynn

judith.glynn@lshtm.ac.uk

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

Ndoliwe Kayuni

Affiliation Karonga Prevention Study, Chilumba, Malawi

Sian Floyd

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

Emmanuel Banda

Affiliation Karonga Prevention Study, Chilumba, Malawi

Monica Francis-Chizororo

Affiliations Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom, Karonga Prevention Study, Chilumba, Malawi

Clare Tanton

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

Anna Molesworth

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

Joanne Hemmings

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

Amelia C. Crampin

Affiliations Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom, Karonga Prevention Study, Chilumba, Malawi

Neil French

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JRG JH CT SF ACC NF. Performed the experiments: NK EB CT MFC AM. Analyzed the data: JRG SF. Wrote the paper: JRG ACC NK SF EB MFC CT AM JH NF.