About the Authors

Hyeong-Moo Shin

hmshin@ucdavis.edu

Affiliation Department of Public Health Sciences, University of California Davis, Davis, California, United States of America

Thomas E. McKone

Affiliations Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America, School of Public Health, University of California, Berkeley, California, United States of America

Michael D. Sohn

Affiliation Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America

Deborah H. Bennett

Affiliation Department of Public Health Sciences, University of California Davis, Davis, California, United States of America

Competing Interests

The American Chemistry Council funded this study. There are no patents, products in development, or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: HMS DHB. Performed the experiments: HMS MDS. Analyzed the data: HMS. Wrote the paper: HMS TEM MDS DHB.