1. State Key Laboratory of Pathogen and Biosecurity, Beijing 100071, PR China
2. Department of Virology, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
3. School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou 510515, PR China
4. The Second Artillery General Hospital of Chinese People's Liberation Army, Beijing 100088, PR China
5. College of Veterinary Medicine, Xinjiang Agricultural University, Urumqi 830052, PR China
6. Graduate School, Anhui Medical University, Hefei 230032, PR China
7. Graduate School, Guangxi Medical University, Guilin 530021, PR China