1. Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, China
2. Laboratory of Gastric Cancer, State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
3. West China School of Medicine, Sichuan University, Chengdu, China
4. Laboratory of Digestive Surgery, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China