Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - The First Hospital of PuTian City, Shanghai Jiao Tong University (SJTU), School of Medicine, Ren Ji Hospital, Department of Gastroenterology, Fujian Medical University - Zhangzhou Affiliated Hospital, Southern Medical University - Department of General Surgery, Nanjing Medical University - Department of General Surgery, Qinghai University - Qinghai University Affiliated Hospital, Meizhou People's Hospital, Fujian Medical University - Department of Gastrointestinal Surgery, Fudan University - Department of General Surgery, Fujian Medical University - Affiliated Longyan First Hospital, Xinjiang Medical University - First Affiliated Hospital, Guangzhou University of Chinese Medicine - Guangdong Provincial Hospital of Traditional Chinese Medicine, Government of the People's Republic of China - Department of General Surgery, Sichuan University - Department of Gastrointestinal Surgery and Laboratory of Gastric Cancer, Peking University - Department of Gastrointestinal Surgery III, Peking University - Department of Gastrointestinal Surgery III, Peking University - Department of Gastrointestinal Surgery III, Xiamen University - Department of Gastrointestinal Surgery, Guangdong Academy of Medical Sciences - Department of Gastrointestinal Surgery, Xi'an Jiaotong University (XJTU) - Department of General Surgery, Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - Department of Gastric Surgery and Fujian Medical University - Department of Gastric Surgery