1 College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
2 Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A8, Canada; Banting and Best Diabetes Centre, University of Toronto, Toronto, M5S 1A8, Canada.
3 College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China.
4 College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, Guangzhou 510642, China. Electronic address: [email protected].