About the Authors

Shizhen Zheng

Contributed equally to this work with: Shizhen Zheng, Pin Qian

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Pin Qian

Contributed equally to this work with: Shizhen Zheng, Pin Qian

Affiliation Ultrasonography Department, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Fuxiang Li

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Guisheng Qian

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Changzheng Wang

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Guoming Wu

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Qi Li

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Yan Chen

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Jin Li

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Haining Li

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Binfeng He

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Fuyun Ji

jifuyun@263.net

Affiliation Institute of Human Respiratory Disease, Xinqiao Hospital, Third Military Medical University, Chongqing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FYJ GSQ CZW. Performed the experiments: SZZ PQ FXL FYJ. Analyzed the data: SZZ FYJ FXL. Contributed reagents/materials/analysis tools: FYJ. Wrote the paper: FYJ. Collection and storage of samples: SZZ GMW QL YC JL HNL BFH.