About the Authors

James R. Roede

Affiliation Division of Pulmonary, Allergy and Critical Care Medicine, Emory University, Atlanta, Georgia, United States of America

Karan Uppal

Affiliations Clinical Biomarkers Laboratory, Emory University, Atlanta, Georgia, United States of America, Division of Pulmonary, Allergy and Critical Care Medicine, Emory University, Atlanta, Georgia, United States of America, School of Biology, Georgia Institute of Technology, Atlanta, Georgia, United States of America

Youngja Park

Affiliations Clinical Biomarkers Laboratory, Emory University, Atlanta, Georgia, United States of America, Division of Pulmonary, Allergy and Critical Care Medicine, Emory University, Atlanta, Georgia, United States of America, College of Pharmacy, Korea University, Sejong City, Korea

Kichun Lee

Affiliations Clinical Biomarkers Laboratory, Emory University, Atlanta, Georgia, United States of America, Division of Pulmonary, Allergy and Critical Care Medicine, Emory University, Atlanta, Georgia, United States of America

Vilinh Tran

Affiliation Clinical Biomarkers Laboratory, Emory University, Atlanta, Georgia, United States of America

Douglas Walker

Affiliations Clinical Biomarkers Laboratory, Emory University, Atlanta, Georgia, United States of America, Division of Pulmonary, Allergy and Critical Care Medicine, Emory University, Atlanta, Georgia, United States of America, Department of Civil and Environmental Engineering, Tufts University, Medford, Massachusetts, United States of America

Frederick H. Strobel

Affiliation Department of Chemistry, Emory University, Atlanta, Georgia, United States of America

Shannon L. Rhodes

Affiliation Department of Epidemiology, University of California Los Angeles School of Public Health, Los Angeles, California, United States of America

Beate Ritz

Affiliation Department of Epidemiology, University of California Los Angeles School of Public Health, Los Angeles, California, United States of America

Dean P. Jones

dpjones@emory.edu

Affiliations Clinical Biomarkers Laboratory, Emory University, Atlanta, Georgia, United States of America, Division of Pulmonary, Allergy and Critical Care Medicine, Emory University, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DPJ YHP BR JRR. Performed the experiments: YHP VT DIW. Analyzed the data: JRR KU DIW YHP KL. Contributed reagents/materials/analysis tools: BR DPJ KU. Wrote the manuscript: JRR KU BR YHP SLR DPJ. Gathered clinical data and serum samples: BR SLR. Analyzed metabolomics data: JRR KU VT YHP FHS DPJ. Reviewed and revised final manuscript: JRR KU YHP VT FHS BR SLR DPJ.