About the Authors

Luis Carlos Cajas-Monson

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 Muñoz

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

Thomas C. Quinn

Affiliation International Chlamydia Laboratory, Department of Infectious Diseases, Johns Hopkins University, Baltimore, Maryland, United States of America

Charlotte A. Gaydos

Affiliation International Chlamydia Laboratory, Department of Infectious Diseases, 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: TCQ SKW. Performed the experiments: HM. Analyzed the data: LCC-M BM SKW. Contributed reagents/materials/analysis tools: CAG. Wrote the paper: LCC-M TCQ CAG SKW.