About the Authors

Xingqun Ma

Contributed equally to this work with: Xingqun Ma, Yanwen Yao

Affiliation Department of Respiratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China

Yanwen Yao

Contributed equally to this work with: Xingqun Ma, Yanwen Yao

Affiliation Department of Respiratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China

Dongmei Yuan

Affiliation Department of Respiratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China

Hongbing Liu

Affiliation Department of Respiratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China

Shouju Wang

Affiliation Department of Medical Imaging, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China

Changsheng Zhou

Affiliation Department of Medical Imaging, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China

Yong Song

yong_song6310@yahoo.com

Affiliation Department of Respiratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XQM YS. Performed the experiments: XQM SJW CSZ. Analyzed the data: XQM YWY. Contributed reagents/materials/analysis tools: XQM DMY HBL. Wrote the paper: XQM YWY YS.