About the Authors

Chao Song

Affiliation Respiratory Department, Xiangya Hospital, Central South University, Changsha, Hunan Province,China

Bailing Luo

blluo181@163.com

Affiliation Respiratory Department, Xiangya Hospital, Central South University, Changsha, Hunan Province,China

Li Gong

Affiliation Respiratory Department, Xiangya Hospital, Central South University, Changsha, Hunan Province,China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: CS BL. Data curation: CS. Formal analysis: CS. Funding acquisition: BL. Investigation: CS. Methodology: CS LG. Project administration: BL. Resources: CS. Software: CS. Supervision: BL. Validation: BL. Visualization: CS. Writing – original draft: CS. Writing – review & editing: CS BL.