About the Authors

E. Rand Sutherland

sutherlande@njhealth.org

Affiliations Department of Medicine, National Jewish Health, Denver, Colorado, United States of America, Department of Medicine, University of Colorado, Denver, Colorado, United States of America

Elena Goleva

Affiliation Department of Pediatrics, National Jewish Health, Denver, Colorado, United States of America

Tonya S. King

Affiliation Department of Public Health Sciences, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America

Erik Lehman

Affiliation Department of Public Health Sciences, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America

Allen D. Stevens

Affiliation Department of Medicine, National Jewish Health, Denver, Colorado, United States of America

Leisa P. Jackson

Affiliation Department of Pediatrics, National Jewish Health, Denver, Colorado, United States of America

Amanda R. Stream

Affiliation Department of Medicine, University of Colorado, Denver, Colorado, United States of America

John V. Fahy

Affiliation Department of Medicine, University of California San Francisco, San Francisco, California, United States of America

Donald Y. M. Leung2,4 for the Asthma Clinical Research Network

Competing Interests

Dr. Sutherland has read the journal’s policy and has the following conflicts: Consultant: Forest Laboratories, GlaxoSmithKline, Merck, Novartis, Dey. Grants unrelated to the current study: Boehringer Ingelheim, Novartis. Educational presentation: Genentech. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: ERS EG TSK EL DYM. Performed the experiments: ERS EG ADS LPJ. Analyzed the data: ERS TSK EL. Contributed reagents/materials/analysis tools: ERS DYML. Wrote the paper: ERS EG TSK JVF DYML. Substantial contributions to analysis and interpretation of data: ERS EG ARS JVF DYML.