1. Department of General Surgery; West China Hospital, Sichuan University; Chengdu China
2. Gastric Cancer Center; West China Hospital, Sichuan University; Chengdu China
3. Research Laboratory of Gastrointestinal Tumor Epigenetics and Genomics, Frontiers Science Center for Disease-related Molecular Network; West China Hospital, Sichuan University; Chengdu China
4. Division of Gastrointestinal Surgery, Department of General Surgery; West China Hospital, Sichuan University; Chengdu China
5. Department of Pharmacy, Evidence-based Pharmacy Center; West China Second University Hospital, Sichuan University; Chengdu China
6. Department of Plastic Surgery; Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China; Chengdu China
7. Department of Digestive Surgery, State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases; Fourth Military Medical University; Xi'an China