About the Authors

Tyler J. S. Smith

Affiliations Johns Hopkins Center for a Livable Future, Johns Hopkins University, Baltimore, Maryland, United States of America, Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Leonard S. Rubenstein

Affiliations Johns Hopkins Center for a Livable Future, Johns Hopkins University, Baltimore, Maryland, United States of America, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Keeve E. Nachman

knachman@jhsph.edu

Affiliations Johns Hopkins Center for a Livable Future, Johns Hopkins University, Baltimore, Maryland, United States of America, Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America, Department of Health Policy and Management, 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: TS LR KN. Performed the experiments: TS LR KN. Analyzed the data: TS. Wrote the manuscript: TS LR KN.