1. Institute of Infection, Immunology and Tumor Microenvironment, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan, Hubei 430065, P.R. China
2. Department of Gastroenterology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, Hubei 430064, P.R. China
3. Department of Public Health, The First Hospital of Wuhan, Wuhan, Hubei 430000, P.R. China
4. College of Medical Science, China Three Gorges University, Yichang, Hubei 443002, P.R. China
5. Department of Gastroenterology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China