About the Authors

Richard E. Jacob

Richard.jacob@pnnl.gov

Affiliation Biological Monitoring and Modeling, Pacific Northwest National Laboratory, Richland, Washington, United States of America

Wayne J. Lamm

Affiliation University of Washington School of Medicine, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: REJ WJL. Performed the experiments: REJ WJL. Analyzed the data: REJ. Contributed reagents/materials/analysis tools: REJ. Wrote the paper: REJ.