About the Authors

Scott M. Palmer

palme002@mc.duke.edu

Affiliation Division of Pulmonary and Critical Care Medicine - Duke University Medical Center, Durham, North Carolina, United States of America

Gordon P. Flake

Affiliation National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Fran L. Kelly

Affiliation Division of Pulmonary and Critical Care Medicine - Duke University Medical Center, Durham, North Carolina, United States of America

Helen L. Zhang

Affiliation Division of Pulmonary and Critical Care Medicine - Duke University Medical Center, Durham, North Carolina, United States of America

Julia L. Nugent

Affiliation Division of Pulmonary and Critical Care Medicine - Duke University Medical Center, Durham, North Carolina, United States of America

Patrick J. Kirby

Affiliation National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Julie F. Foley

Affiliation National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

William M. Gwinn

Affiliation National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Dan L. Morgan

Affiliation National Institute of Environmental Health Sciences, 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: SMP FLK GPF DLM. Performed the experiments: GPF FLK HLZ JLN PJK JFF WMG DLM. Analyzed the data: SMP GPF FLK PJK WMG DLM. Contributed reagents/materials/analysis tools: GPF DLM. Wrote the paper: SMP GPF FLK DLM.