About the Authors

Justin Lessler

Contributed equally to this work with: Justin Lessler, Henrik Salje

justin@jhu.edu

Affiliation Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Henrik Salje

Contributed equally to this work with: Justin Lessler, Henrik Salje

Affiliation Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

M. Kate Grabowski

Affiliation Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Derek A. T. Cummings

Current address: Department of Biology, University of Florida, Gainesville, Florida, United States of America

Affiliation Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JL HS DATC. Performed the experiments: JL HS MKG. Analyzed the data: JL HS MKG. Contributed reagents/materials/analysis tools: JL HS. Wrote the paper: JL HS MKG DATC.