1. Laboratory of Infectious Diseases Center of Beijing Ditan Hospital, Capital Medical University, Beijing 10015, China
2. Emergency Department of Infectious Diseases of Beijing Ditan Hospital, Capital Medical University, Beijing 10015, China
3. Department of Pediatrics of Beijing Ditan Hospital, Capital Medical University, Beijing 10015, China
4. Clinical and Research Center of Infectious Diseases of Beijing Ditan Hospital, Capital Medical University, Beijing 10015, China
5. Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing Key Laboratory of Emerging Infectious Diseases, Beijing 100015, China