About the Authors

Hongjiang Wang

hjwang@dlmedu.edu.cn

Affiliation Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China

Guang Tan

Affiliation Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China

Lei Dong

Affiliation Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China

Lei Cheng

Affiliation Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China

Kejun Li

Affiliation Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China

Zhongyu Wang

Affiliation Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China

Haifeng Luo

Affiliation Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HJW ZYW HFL. Performed the experiments: HJW LD LC KJL HFL. Analyzed the data: HJW GT. Wrote the paper: HJW.