About the Authors

Xue Yang

Contributed equally to this work with: Xue Yang, Chenfang Zhu

Affiliation Department of General Surgery, Shanghai Ninth Hospital affiliated with Shanghai Jiaotong University school of Medicine, Shanghai, 200011, China

Chenfang Zhu

Contributed equally to this work with: Xue Yang, Chenfang Zhu

Affiliation Department of General Surgery, Shanghai Ninth Hospital affiliated with Shanghai Jiaotong University school of Medicine, Shanghai, 200011, China

Yan Gu

guyan_8@hotmail.com

Affiliation Department of General Surgery, Shanghai Ninth Hospital affiliated with Shanghai Jiaotong University school of Medicine, Shanghai, 200011, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XY. Performed the experiments: XY CFZ. Analyzed the data: XY CFZ. Contributed reagents/materials/analysis tools: XY CFZ. Wrote the paper: XY CFZ YG.