About the Authors

Robert H. Lim

Affiliations Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, United States of America, Department of Pulmonary Medicine, Children's Hospital Boston, Boston, Massachusetts, United States of America

Lester Kobzik

Affiliations Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, United States of America, Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts, United States of America

Morten Dahl

mordah02@heh.regionh.dk

Affiliation Department of Clinical Biochemistry, Copenhagen University Hospital Herlev, Copenhagen, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RHL LK MD. Analyzed the data: RHL MD. Wrote the paper: RHL. Edited the manuscript: LK.