1. College of Veterinary Medicine and Virus Vaccine Research Center, Gyeongsang National University, Jinju, Korea.
2. Animal Health Division, Jeju Special Self-Governing Province, Jeju, Korea.
3. Veterinary Research Institute, Jeju Special Self-Governing Province, Jeju, Korea.
4. Jeju-si Livestock Division, Jeju Special Self-Governing Province, Jeju, Korea.
5. Seogwipo-si Livestock Division, Jeju Special Self-Governing Province, Jeju, Korea.