1. State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, and Department of Gastric Surgery, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
2. Department of Gastrointestinal Surgery, The First Affiliated Hospital of Anhui Medical University, HeFei, Anhui, China
3. Department of General Surgery, The First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Cancer Hospital, Hefei, Anhui, China
4. Department of General Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui, China
5. Department of Abdominal Surgery, Jiangxi Provincial Cancer Hospital, Nanchang, Jiangxi, China
6. Department of Surgical Oncology, Anqing Municipal Hospital, Anqing, Anhui, China
7. Department of Gastric Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin, Tianjin, China
8. Department of General Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
9. Department of Gastrointestinal Surgery, Yuebei People’s Hospital, Shaoguan, Guangdong, China
10. Department of General Surgery, Jiangsu Cancer Hospital, Nanjing, Jiangsu, China
11. Department of General Surgery, Lishui Municipal Central Hospital, Lishui, Zhejiang, China