1. Korea Zoonosis Research Institute, Iksan 53531, Korea.
2. College of Veterinary Medicine, Jeonbuk National University, Iksan 54596, Korea.
3. The Pirbright Institute, Pirbright, GU24 0NF, United Kingdom.
4. Department of Veterinary Pathology, Faculty of Animal Science and Veterinary Medicine, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh.
5. College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea.