Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing);
Beijing Office for Cancer Prevention and Control;
Peking University Cancer Hospital&Institute;
Beijing 100142;
China;
Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing);
Center of Gastrointestinal Cancer;
Peking University Cancer Hospital&Institute;
Beijing 100142;
China;
Department of Gastrointestinal Surgery;
Peking University Shenzhen Hospital;
Shenzhen 518036;
China;
Department of General Surgery;
the First Affiliated Hospital of Nanjing Medical University;
Collaborative Innovation Center for Cancer Personalized Medicine;
Nanjing Medical University;
Nanjing 210029;
China;
Gastric cancer; epidemiology; risk factor; prevention strategy;