About the Authors
- Sharine Wittkopp
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Affiliation Occupational and Environmental Medicine Division, Department of Medicine, School of Medicine, University of California Irvine, Irvine, California, United States of America
- Norbert Staimer
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Affiliation Department of Epidemiology, School of Medicine, University of California Irvine, Irvine, California, United States of America
- Thomas Tjoa
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Affiliation Department of Epidemiology, School of Medicine, University of California Irvine, Irvine, California, United States of America
- Daniel Gillen
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Affiliation Department of Statistics, School of Information and Computer Sciences, University of California Irvine, Irvine, California, United States of America
- Nancy Daher
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Affiliation Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, California, United States of America
- Martin Shafer
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Affiliation University of Wisconsin-Madison, Environmental Chemistry and Technology Program, Madison, Wisconsin, United States of America
- James J. Schauer
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Affiliation University of Wisconsin-Madison, Environmental Chemistry and Technology Program, Madison, Wisconsin, United States of America
- Constantinos Sioutas
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Affiliation Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, California, United States of America
- Ralph J. Delfino
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* E-mail: rdelfino@uci.edu
Affiliation Department of Epidemiology, School of Medicine, University of California Irvine, Irvine, California, United States of America
Competing Interests
C.S. receives royalties from SKC Inc. for the air sampling device (Sioutas Personal Cascade Impactor Sampler) used in this research. The remaining authors declare they have no actual or potential competing financial interests.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: SW RD NS DG CS. Performed the experiments: SW RD NS ND MS JJS CS. Analyzed the data: SW RD TT DG. Wrote the paper: SW RD.