About the Authors

Wei Nie

Contributed equally to this work with: Wei Nie, Jiquan Chen

Affiliation Department of Respiratory Disease, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, China

Jiquan Chen

Contributed equally to this work with: Wei Nie, Jiquan Chen

Affiliation Department of Respiratory Disease, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, China

Qingyu Xiu

xiu_qingyu@126.com

Affiliation Department of Respiratory Disease, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.