1. Department of Epidemiology, Center for Global Health, School of Public Health Nanjing Medical University Nanjing China
2. School of Public Health Baotou Medical College Baotou China
3. Department of Gastroenterology, Sir Run Run Hospital Nanjing Medical University Nanjing China
4. Department of Immunology, School of Basic Medical Sciences Nanjing Medical University Nanjing China
5. Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Collaborative Innovation Center for Cancer Personalized Medicine, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research The Affiliated Cancer Hospital of Nanjing Medical University Nanjing China