About the Authors

Lisa P. Lagassé

llagasse@jhsph.edu

Affiliation Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Rajiv N. Rimal

Affiliation Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Katherine C. Smith

Affiliation Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

J. Douglas Storey

Affiliation Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Elizabeth Rhoades

Affiliation Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Daniel J. Barnett

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

Saad B. Omer

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

Jonathan Links

Affiliation Department of Environmental Health Sciences, 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: LPL RNR KCS JDS ER DJB SBO JL. Performed the experiments: LPL RNR ER. Analyzed the data: LPL RNR ER. Contributed reagents/materials/analysis tools: JL. Wrote the paper: LPL RNR ER KCS JDS DJB SBO JL. Analysis consultation and support: JDS KCS. Selected document review methods: LPL RNR KCS. Devised coding sheet: RNR JDS KCS LPL ER DB SBO. Designated the software used in the analysis: RNR.