1. Division of Viral Disease, Animal and Plant Quarantine Agency, Anyang 14086, Korea.
2. Research Institution, MEDIAN Diagnostics Inc., Chuncheon 24399, Korea.
3. Division of Veterinary Drugs and Biologics, Animal and Plant Quarantine Agency, Anyang 14086, Korea.
4. Division of Animal Disease Diagnostic, Animal and Plant Quarantine Agency, Anyang 14086, Korea.