Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - Department of Gastric Surgery, Tianjin Medical University, Xi'an Jiaotong University (XJTU), Government of the People's Republic of China - Chinese PLA General Hospital, Guangxi Medical University, Dalian University of Technology - The Second Affiliated Hospital of Dalian Medical University, Central South University - Second Xiangya Hospital, Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - Department of Gastric Surgery, Fujian Medical University - Department of Gastric Surgery and Fujian Medical University - Department of Gastric Surgery