About the Authors

J. Allen Davis

davis.allen@epa.gov

Affiliation National Center for Environmental Assessment, Office of Research and Development, United States Environmental Protection Agency, Research Triangle Park, North Carolina, United States of America

Lyle D. Burgoon

Affiliation National Center for Environmental Assessment, Office of Research and Development, United States Environmental Protection Agency, Research Triangle Park, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JAD LDB. Performed the experiments: JAD LDB. Analyzed the data: JAD LDB. Wrote the paper: JAD LDB.