1. Department of Emergency Medicine, General Hospital of Chinese People's Armed Police Forces, Beijing 100039, China
2. State Key Laboratory of Pathogen & Biosecurity, Beijing Institute of Microbiology & Epidemiology, Beijing 100071, China
3. College of Food Science & Project Engineering, Bohai University, Jinzhou 121013, China
4. Department of Laboratory Medicine, The Fifth Hospital of Shijiazhuang, Hebei Medical University, Shijiazhuang, Hebei 050021, China