About the Authors

Mei-Hua Xu

Affiliation Department of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China

Xuan Gao

Affiliation Department of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China

Dan Luo

Affiliation Department of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China

Xiang-Dong Zhou

Affiliation Department of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China

Wei Xiong

Affiliation Department of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China

Guo-Xiang Liu

guoxiangliu63@126.com

Affiliation Department of Respiratory Medicine, Southwest Hospital, Third Military Medical University, Chongqing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GXL. Performed the experiments: MHX XG DL XDZ. Analyzed the data: MHX GXL. Contributed reagents/materials/analysis tools: DL XDZ WX. Wrote the paper: MHX GXL.