1. College of Animal Sciences, Jilin University, Changchun, People’s Republic of China
2. State Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun China
3. Chongqing Research Institute of Jilin University, Chongqing, People’s Republic of China