1. Jun Ying:
Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine Shanghai Jiao Tong University, Shanghai 200127, P.R. China
2. Chunhui Jiang:
Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine Shanghai Jiao Tong University, Shanghai 200127, P.R. China
3. Chunjie Xu:
Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine Shanghai Jiao Tong University, Shanghai 200127, P.R. China
4. Ye Liu:
Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine Shanghai Jiao Tong University, Shanghai 200127, P.R. China
5. Lei Gu:
Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine Shanghai Jiao Tong University, Shanghai 200127, P.R. China