About the Authors

Francesca Lemme

Affiliations London School of Hygiene and Tropical Medicine, London, United Kingdom, Mwanza Intervention Trials Unit, National Institute for Medical Research, Mwanza, Tanzania

Aoife M. Doyle

Affiliations London School of Hygiene and Tropical Medicine, London, United Kingdom, Mwanza Intervention Trials Unit, National Institute for Medical Research, Mwanza, Tanzania

John Changalucha

Affiliation National Institute for Medical Research, Mwanza, Tanzania

Aura Andreasen

Affiliations London School of Hygiene and Tropical Medicine, London, United Kingdom, Mwanza Intervention Trials Unit, National Institute for Medical Research, Mwanza, Tanzania

Kathy Baisley

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Kaballa Maganja

Affiliation Mwanza Intervention Trials Unit, National Institute for Medical Research, Mwanza, Tanzania

Deborah Watson-Jones

Affiliations London School of Hygiene and Tropical Medicine, London, United Kingdom, Mwanza Intervention Trials Unit, National Institute for Medical Research, Mwanza, Tanzania

Saidi Kapiga

Affiliations London School of Hygiene and Tropical Medicine, London, United Kingdom, Mwanza Intervention Trials Unit, National Institute for Medical Research, Mwanza, Tanzania

Richard J. Hayes

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

David A. Ross

ross@lshtm.ac.uk

Affiliation 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: RJH DAR JC AMD FL. Performed the experiments: FL AMD AA KM. Analyzed the data: FL. Wrote the paper: FL AMD DAR. Reviewed and commented on drafts of the paper: JC AA KB KM DW-J SK RJH.