1. Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 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, Sichuan, China
3. Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Jintang Hospital, Chengdu, Sichuan, China