About the Authors

Elizabeth N. Ssemanda

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

Joshua Levens

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

Harran Mkocha

Affiliation Kongwa Trachoma Project, Kongwa, Tanzania

Beatriz Munoz

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

Sheila K. West

shwest@jhmi.edu

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ENS BM SKW. Performed the experiments: ENS JL HM SKW. Analyzed the data: ENS BM. Contributed reagents/materials/analysis tools: BM SKW. Wrote the paper: ENS JL HM BM SKW.