1 College of Basic Medical Science, Jilin University, Changchun, China.
2 Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China.
3 Department of Respiratory and Critical Care Diseases, the Fifth Medical Center, Chinese PLA General Hospital, Beijing, China.
4 College of Basic Medical Science, Jilin University, Changchun, China. lifan@jlu.edu.cn.
5 Department of Respiratory and Critical Care Diseases, the Fifth Medical Center, Chinese PLA General Hospital, Beijing, China. baicq307@163.com.
6 Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China. qincf@bmi.ac.cn.