Southern Medical University, Sun Yat-sen University (SYSU) - Department of Gastric Surgery, Xi'an Jiaotong University (XJTU) - Department of General Surgery, Fujian Medical University - Department of Gastric Surgery, Qinghai University, Peking University - Key Laboratory of Carcinogenesis and Translational Research, Southern Medical University, Changzhi Medical College, Government of the People's Republic of China - Air Force Medical University, Jilin University (JLU) - Department of Gastrointestinal Surgery, Zhengzhou University, First Affiliated Hospital of Xinjiang Medical University, Fujian Medical University - Fujian Cancer Hospital, Shandong University, Sun Yat-sen University (SYSU), Qingdao University, Soochow University, Anhui Medical University, China Medical University, Nanchang University, Government of the People's Republic of China - Department of General Surgery, Shandong First Medical University - Shandong Provincial Hospital, Harbin Medical University, Guangdong Provincial Hospital of Chinese Medicine - Department of Gastrointestinal Surgery, Zhejiang University, Peking University - Department of Gastroenterological Surgery, Sun Yat-sen University (SYSU) - Department of Gastrointestinal Surgery, Nanchang University - Department of Digestive Surgery, Xiamen University, Jiangxi Cancer Hospital, Zhejiang University - Department of General Surgery, Shanghai Jiao Tong University (SJTU) - Department of General Surgery, Fudan University - Zhongshan Hospital, Xinjiang Medical University, University of Electronic Science and Technology of China, Guangzhou Medical University, Dalian Medical University, Sun Yat-sen University (SYSU) - Department of Gastrointestinal Surgery, Sun Yat-sen University (SYSU) - Department of Gastrointestinal Surgery, Fudan University - Department of General Surgery, Fudan University - Department of Oncology, Shanxi Medical University, Shanxi Cancer Hospital and Guangdong Academy of Medical Sciences - Department of General Surgery