About the Authors

Nicholas G. Reich

nreich@jhsph.edu

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

Trish M. Perl

Affiliation Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Derek A. T. Cummings

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

Justin Lessler

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 NGR DATC. Analyzed the data: NGR. Wrote the paper: JL NGR TMP DATC. Designed and created the citation network graphics: JL.