About the Authors

M. Cyrus Maher

Affiliation Department of Epidemiology & Biostatistics, University of California San Francisco, San Francisco, California, United States of America

Wondu Alemayehu

Affiliation ORBIS International, New York, New York, United States of America

Takele Lakew

Affiliation ORBIS International, New York, New York, United States of America

Bruce D. Gaynor

Affiliations F.I. Proctor Foundation, University of California San Francisco, San Francisco, California, United States of America, Department of Ophthalmology, University of California San Francisco, San Francisco, California, United States of America

Sara Haug

Affiliation F.I. Proctor Foundation, University of California San Francisco, San Francisco, California, United States of America

Vicky Cevallos

Affiliation F.I. Proctor Foundation, University of California San Francisco, San Francisco, California, United States of America

Jeremy D. Keenan

Affiliations F.I. Proctor Foundation, University of California San Francisco, San Francisco, California, United States of America, Department of Ophthalmology, University of California San Francisco, San Francisco, California, United States of America

Thomas M. Lietman

Affiliations Department of Epidemiology & Biostatistics, University of California San Francisco, San Francisco, California, United States of America, F.I. Proctor Foundation, University of California San Francisco, San Francisco, California, United States of America, Department of Ophthalmology, University of California San Francisco, San Francisco, California, United States of America, Institute for Global Health, University of California San Francisco, San Francisco, California, United States of America

Travis C. Porco

travis.porco@ucsf.edu

Affiliations Department of Epidemiology & Biostatistics, University of California San Francisco, San Francisco, California, United States of America, F.I. Proctor Foundation, University of California San Francisco, San Francisco, California, United States of America, Department of Ophthalmology, University of California San Francisco, San Francisco, California, United States of America, Institute for Global Health, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TCP TML. Performed the experiments: BDG JDK WA TL SH VC. Analyzed the data: MCM TCP. Wrote the paper: MCM TCP TML BDG JDK.