About the Authors

Xiaoming Bian

Affiliation Department of Environmental Health Science, University of Georgia, Athens, Georgia, United States of America

Liang Chi

Affiliation Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Bei Gao

Affiliation Department of Environmental Health Science, University of Georgia, Athens, Georgia, United States of America

Pengcheng Tu

Affiliation Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Hongyu Ru

Affiliation Department of Population Health and Pathobiology, North Carolina State University, Raleigh, North Carolina, United States of America

Kun Lu

kunlu@unc.edu

Affiliation Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: KL HR. Formal analysis: XB LC PT HR. Funding acquisition: KL. Investigation: XB LC BG PT. Supervision: KL. Visualization: LC XB. Writing – original draft: LC XB HR KL.