1. Institute of Hygiene and Environmental Medicine, Academy of Military Medical Sciences, 1 Da Li Road, Tianjin, 300050, P.R. China
2. Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 172 Dong Da Jie street, Feng Tai, Beijing, 100072, P.R. China
3. Xiao Tang Shang Hospital, Beijing, 102211, P.R. China
4. 309 Hospital of PLA of China, 17 Mushanhu Road, Beijing, 100091, P.R. China
5. Beijing Institute of Pharmacology & Toxicology, 100850, P.R. China
6. Beijing Institute of Basic Medicine, 100850, P.R. China