1. Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju, Republic of Korea
2. Division of Virology, Department of Pathology, University of Cambridge, Addenbrooke’s Hospital, Cambridge, UK
3. Chonnam National University Veterinary Teaching Hospital, Gwangju, Republic of Korea
4. Division of Life Science, Korea Basic Science Institute, 169-148 Gwahak-ro, Yuseong-gu, Daejeon 305-806, Republic of Korea