1. Chungbuk Veterinary Service Laboratory, Chungju 380-230, Korea.
2. Laboratories of Veterinary Pathology, College of Veterinary Medicine, Chungbuk National University, Cheongju 361-763, Korea.
3. Biotech Laboratory, Standard Diagnostics Inc., Yongin 446-904, Korea.
4. Animal Genetics Resources Station, National Institute of Animal Science, Rural Development Administration, Namwon 590-832, Korea.
5. Department of Microbiology, Yonsei University College of Medicine, Seoul 120-752, Korea.
6. Division of Biological Science and Technology, College of Science and Technology, Yonsei University, Wonju 220-710, Korea.
7. Department of Biomedical Laboratory Science, College of Health Science, Yonsei University, Wonju 220-710, Korea.
8. Department of Biomedical Laboratory Science, Daegu Health College, Daegu 702-722, Korea.
9. Division of Bacterial Diseases, Department of Animal and Plant Health Research, Animal and Plant Quarantine Agency, Anyang 430-757, Korea.