1. College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, People’s Republic of China
2. Key Lab of Animal Bacteriology, Ministry of Agriculture, Nanjing, People’s Republic of China
3. OIE Reference Lab for Swine Streptococcosis, Nanjing, Jiangsu, People’s Republic of China
4. Lab of Animal Disease Prevention and Control Center of Jiangsu Province, Nanjing, Jiangsu, People’s Republic of China
5. Guangxi Center for Animal Disease Control and Prevention, Nanning, Guangxi, People’s Republic of China
6. Shanghai Veterinary Research Institute, The Chinese Academy of Agricultural Sciences (CAAS), Shanghai, People’s Republic of China
7. Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, Shandong, People’s Republic of China