1. College of Veterinary Medicine South China Agricultural University Guangzhou China
2. Department of Population Medicine and Diagnostic Sciences Cornell University Ithaca NY USA
3. State Key Laboratory for Infectious Disease Prevention and Control National Institute for Communicable Disease Control and Prevention Chinese Centre for Disease Control and Prevention Beijing China
4. Department of Clinical Microbiology Institute of Antibiotics Huashan Hospital Fudan University Shanghai China
5. University College of Veterinary & Animal Sciences Islamia University of Bahawalpur Bahawalpur Pakistan
6. Department of Biomedical Sciences College of Veterinary Medicine Cornell University Ithaca NY USA