About the Authors

Xi Zheng

Contributed equally to this work with: Xi Zheng, Yang Hu

Affiliation Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China

Yang Hu

Contributed equally to this work with: Xi Zheng, Yang Hu

Affiliation Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China

Yong Yuan

Affiliation Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China

Yong-Fan Zhao

doctorzhaoyongfan@hotmail.com

Affiliation Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YFZ YH XZ YY. Performed the experiments: XZ YH YY. Analyzed the data: YH XZ YY YFZ. Contributed reagents/materials/analysis tools: XZ YY. Wrote the paper: YH XZ. Revised the manuscript according to the comments of reviewers: XZ YH YY.