1. State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute; Chinese Academy of Agricultural Sciences; Lanzhou Gansu Province People's Republic of China
2. Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses; Yangzhou People's Republic of China
3. Northeast Agricultural University; College of Veterinary Medicine; Haerbin Heilongjiang Province People's Republic of China