1. College of Veterinary Medicine, Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu Province, P. R. China
2. College of Medicine, Yangzhou University, Yangzhou, Jiangsu Province, P. R. China
3. Department of Surgery, NorthShore University Health System, Evanston, IL, USA
4. Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, Jiangsu Province, China
5. Department of Molecular and Cellular Medicine, Rush University Medical Center, Chicago, IL, USA