About the Authors

Tamsyn Derrick

tamsyn.derrick@lshtm.ac.uk

Affiliation Department of Clinical Research, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Chrissy h. Roberts

Affiliation Department of Clinical Research, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Megha Rajasekhar

Affiliation Department of Clinical Research, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Sarah E. Burr

Affiliations Department of Clinical Research, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom, Medical Research Council Unit, The Gambia, Fajara, Banjul, The Gambia, West Africa

Hassan Joof

Affiliation Medical Research Council Unit, The Gambia, Fajara, Banjul, The Gambia, West Africa

Pateh Makalo

Affiliation Medical Research Council Unit, The Gambia, Fajara, Banjul, The Gambia, West Africa

Robin L. Bailey

Affiliation Department of Clinical Research, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

David C. W. Mabey

Affiliation Department of Clinical Research, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Matthew J. Burton

Affiliation International Centre for Eye Health, Department of Clinical Research, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Martin J. Holland

Affiliation Department of Clinical Research, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Obtained funding: DCWM RLB MJH MJB. Conceived and designed the experiments: MJH DCWM. Performed the experiments: TD MJH MR ChR. Analyzed the data: TD ChR MJH RLB MJB. Contributed reagents/materials/analysis tools: SEB PM HJ TD MJH. Wrote the paper: TD MJH.