1. Institute of Frontier Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China
2. Academicians Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
3. Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Institute of Military Veterinary Medicine, Academy of Military Medical Sciences, Changchun, Jilin 130122, P.R. China