About the Authors

Jessica H. Leibler

jleibler@jhsph.edu

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

Marco Carone

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

Ellen K. Silbergeld

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: JL MC ES. Performed the experiments: JL. Analyzed the data: JL. Contributed reagents/materials/analysis tools: JL MC ES. Wrote the paper: JL MC ES.