About the Authors

Ya-qing Li

Affiliation Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, China

Jian-ping Yan

Affiliation Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, China

Wu-lin Xu

wulinxu@126.com

Affiliation Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, China

Hong Wang

Affiliation Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, China

Ying-jie Xia

Affiliation Zhejiang Provincial Gastroenterology Key Laboratory, Zhejiang Provincial People's Hospital, Hangzhou, China

Hui-jun Wang

Affiliation Zhejiang Provincial Gastroenterology Key Laboratory, Zhejiang Provincial People's Hospital, Hangzhou, China

Yue-yan Zhu

Affiliation Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, China

Xiao-jun Huang

Affiliation Department of Respiratory Medicine, Zhejiang Provincial People's Hospital, Hangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YL WX. Performed the experiments: YL WX JY XJH. Analyzed the data: HW YZ. Contributed reagents/materials/analysis tools: LY YX HJW. Wrote the paper: HW HJH.