1. Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China
2. State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
3. Chengdu National Agricultural Science and Technology Center, Chengdu, China
4. College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China