About the Authors

Katherine King

keking@umich.edu

Affiliations Environmental Public Health Division, Environmental Protection Agency, Chapel Hill, North Carolina, United States of America, Community and Family Medicine, Duke University, Durham, North Carolina, United States of America

Christin Ogle

Affiliation Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KK CO. Analyzed the data: KK. Wrote the paper: KK CO.