1. The Laboratory of Infectious Diseases Centre, Beijing Ditan Hospital, Capital Medical University, Beijing, China
2. Clinical Laboratory of Beijing Ditan Hospital, Capital Medical University, Beijing, China
3. Medical Information Department, Beijing Ditan Hospital, Capital Medical University, Beijing, China
4. Department of Research and Education, Beijing Ditan Hospital, Capital Medical University, Beijing, China
5. Department of Gastroenterology, Beijing Ditan Hospital, Capital Medical University, Beijing, China
6. Department of Infectious Disease, Beijing Ditan Hospital, Capital Medical University, Beijing, China
7. Department of Emergency, Beijing Ditan Hospital, Capital Medical University, Beijing, China