1. Department of Science and Technology, The Hebei Key Laboratory of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
2. Division of Epidemiology, School of Public Health, Hebei Medical University, Shijiazhuang, China
3. Department of Pediatric Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
4. Department of Central Laboratory, Shenzhen Following Precision Medical Research Institute, Shenzhen, Guangdong, China
5. Department of Infectious Disease Control, The Second Hospital of Hebei Medical University, Shijiazhuang, China
6. Department of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
7. Department of Infectious Disease, Hebei Chest Hospital, Shijiazhuang, China
8. Department of Central Laboratory, The Second Hospital of Hebei Medical University, Shijiazhuang, China