1. Department of Anatomy and Histology, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Trau Quy, Gia Lam, Hanoi 12400, Vietnam
2. Laboratory of Veterinary Microbiology, Center of Research Excellence and Innovation, Vietnam National University of Agriculture, Trau Quy, Gia Lam, Hanoi 12400, Vietnam
3. Department of Veterinary Public Health, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Trau Quy, Gia Lam, Hanoi 12400, Vietnam