About the Authors

Matthew J. Burton

matthew.burton@lshtm.ac.uk

Affiliations London School of Hygiene and Tropical Medicine, London, United Kingdom, Kilimanjaro Christian Medical Centre, Moshi, Tanzania, NIHR Biomedical Research Centre, Moorfields Eye Hospital and UCL Institute of Ophthalmology and UCL Partners AHSC, London, United Kingdom

Saul N. Rajak

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

Athumani Ramadhani

Affiliation Kilimanjaro Christian Medical Centre, Moshi, Tanzania

Helen A. Weiss

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

Esmael Habtamu

Affiliation The Carter Center, Bahir Dar, Ethiopia

Baye Abera

Affiliation Bahir Dar University, Bahir Dar, Ethiopia

Paul M. Emerson

Affiliation The Carter Center, Atlanta, Georgia, United States of America

Peng T. Khaw

Affiliation NIHR Biomedical Research Centre, Moorfields Eye Hospital and UCL Institute of Ophthalmology and UCL Partners AHSC, London, United Kingdom

David C. W. Mabey

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

Martin J. Holland

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MJB PME PTK DCWM MJH RLB. Performed the experiments: MJB SNR AR EH BA. Analyzed the data: MJB SNR HAW. Wrote the paper: MJB. Edited the paper: SNR AR HAW EH BA PME PTK DCWM MJH RLB.