About the Authors

Isobel M. Blake

isobel.blake02@imperial.ac.uk

Affiliation Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom

Matthew J. Burton

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

Robin L. Bailey

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

Anthony W. Solomon

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

Sheila West

Affiliation Dana Center for Preventive Ophthalmology, Johns Hopkins University, Baltimore, Maryland, United States of America

Beatriz Muñoz

Affiliation Dana Center for Preventive Ophthalmology, Johns Hopkins University, Baltimore, Maryland, United States of America

Martin J. Holland

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

David C. W. Mabey

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

Manoj Gambhir

Affiliation Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom

María-Gloria Basáñez

Affiliation Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom

Nicholas C. Grassly

Affiliation Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MJB RLB AWS SW BM MJH DCWM MG MGB NCG. Performed the experiments: MJB RLB AWS SW. Analyzed the data: IMB NCG. Wrote the paper: IMB.