About the Authors

Qun Wu

wuq@njhealth.org

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

Di Jiang

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

Maisha Minor

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

Hong Wei Chu

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

Competing Interests

HWC is a PLOS ONE Editorial Board member. This does not alter the authors' adherence to PLOS ONE Editorial policies and criteria.

Author Contributions

Conceived and designed the experiments: QW HWC. Performed the experiments: QW DJ MM. Analyzed the data: QW. Contributed reagents/materials/analysis tools: QW HWC. Contributed to the writing of the manuscript: QW HWC.