About the Authors

Yongjiu Xiao

Contributed equally to this work with: Yongjiu Xiao, Shuqing Yu, Qingliang Xue

Affiliations Department of Respiratory Disease, Chinese PLA General Hospital, Beijing, China, Department of Respiratory Disease, Lanzhou General Hospital of Chinese PLA, Lanzhou, Gansu Province, China

Shuqing Yu

Contributed equally to this work with: Yongjiu Xiao, Shuqing Yu, Qingliang Xue

Affiliation The Second Ward of Lanzhou Pulmonary Hospital, Lanzhou, Gansu Province, China

Qingliang Xue

Contributed equally to this work with: Yongjiu Xiao, Shuqing Yu, Qingliang Xue

Affiliation Department of Respiratory Disease, Lanzhou General Hospital of Chinese PLA, Lanzhou, Gansu Province, China

Shan Lang

Affiliation Department of Respiratory Disease, Chinese PLA General Hospital, Beijing, China

Junping Sun

Affiliation Department of Respiratory Disease, Chinese PLA General Hospital, Beijing, China

Dan Feng

Affiliation Department of Respiratory Disease, Chinese PLA General Hospital, Beijing, China

Jianxin Wang

wangjianxin301@yeah.net

Affiliation Department of Respiratory Disease, Chinese PLA General Hospital, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Data curation: YJX JXW SQY. Formal analysis: YJX SQY DF. Funding acquisition: JXW. Investigation: YJX SQY QLX SL JPS DF JXW. Methodology: YJX QLX JXW. Project administration: YJX JXW. Resources: SQY. Software: DF YJX. Supervision: JXW. Validation: JXW QLX. Visualization: YJX DF. Writing – original draft: YJX SQY SL JPS. Writing – review & editing: JXW QLX DF.