About the Authors

Naomi J. Anderson

anna235@lni.wa.gov

Affiliation Washington State Department of Labor & Industries, Safety & Health Assessment & Research for Prevention (SHARP) Program, Olympia, Washington, United States of America

David K. Bonauto

Affiliation Washington State Department of Labor & Industries, Safety & Health Assessment & Research for Prevention (SHARP) Program, Olympia, Washington, United States of America

Z. Joyce Fan

Affiliation Washington State Department of Labor & Industries, Safety & Health Assessment & Research for Prevention (SHARP) Program, Olympia, Washington, United States of America

June T. Spector

Affiliation University of Washington, Environmental & Occupational Health Sciences Department, School of Public Health, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NJA DKB ZJF JTS. Analyzed the data: NJA ZJF. Wrote the paper: NJA DKB JTS.