About the Authors

Chao Cao

Contributed equally to this work with: Chao Cao, Qunli Ding

Affiliations Department of Respiratory Medicine, Affiliated Hospital of School of Medicine, Ningbo University, Ningbo, 315020, China, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China

Qunli Ding

Contributed equally to this work with: Chao Cao, Qunli Ding

Affiliation Department of Respiratory Medicine, Affiliated Hospital of School of Medicine, Ningbo University, Ningbo, 315020, China

Dan Lv

Affiliations Department of Respiratory Medicine, Affiliated Hospital of School of Medicine, Ningbo University, Ningbo, 315020, China, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China

Zhe Dong

Affiliation Zhejiang University School of Medicine, Hangzhou, 310058, China

Shifang Sun

Affiliation Department of Respiratory Medicine, Affiliated Hospital of School of Medicine, Ningbo University, Ningbo, 315020, China

Zhongbo Chen

Affiliation Department of Respiratory Medicine, Affiliated Hospital of School of Medicine, Ningbo University, Ningbo, 315020, China

Huahao Shen

Affiliation Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China

Zaichun Deng

dengzaichun982136@hotmail.com

Affiliation Department of Respiratory Medicine, Affiliated Hospital of School of Medicine, Ningbo University, Ningbo, 315020, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CC QD Z. Deng. Performed the experiments: CC QD DL Z. Dong SS ZC HS Z. Deng. Analyzed the data: CC QD DL Z. Dong SS ZC HS Z. Deng. Contributed reagents/materials/analysis tools: CC QD DL Z. Dong SS ZC HS Z. Deng. Wrote the paper: CC QD. Revised the manuscript: CC QD Z. Deng.