About the Authors

Anna R. Last

anna.last@lshtm.ac.uk

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

Sarah E. Burr

Affiliation Disease Control and Elimination Theme, Medical Research Council Unit, The Gambia, Fajara, The Gambia

Helen A. Weiss

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

Emma M. Harding-Esch

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

Eunice Cassama

Affiliation Programa Nacional de Saúde de Visão, Ministério de Saúde Publica, Bisssau, Guiné Bissau

Meno Nabicassa

Affiliation Programa Nacional de Saúde de Visão, Ministério de Saúde Publica, Bisssau, Guiné Bissau

David C. Mabey

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

Martin J. Holland

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

Robin L. Bailey

Affiliation Clinical Research Department, Faculty of Infectious and 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

Conceived and designed the experiments: ARL EMHE SEB MJH RLB. Performed the experiments: ARL EC MN. Analyzed the data: ARL HAW. Contributed reagents/materials/analysis tools: ARL SEB MN MJH. Wrote the paper: ARL RLB MJH DCM. Obtained the funding: ARL RLB MJH DCM. Coordinated the field project: ARL EC MN SEB. Interpreted the data: ARL HAW RLB EMHE.