1. Laboratory of Veterinary Public Health, Department of Veterinary Medical Science, Faculty of Agriculture, University of Miyazaki, 1–1 Gakuenkibanadai-nishi, Miyazaki 889–2192, Japan
2. Center for Animal Disease Control, University of Miyazaki, 1–1 Gakuenkibanadai-nishi, Miyazaki 889–2192, Japan
3. Clinical Laboratory, University of Miyazaki Hospital, 5200 Kiyotake, Miyazaki 889–1692, Japan
4. Department of Rheumatology, Infectious Diseases and Laboratory Medicine, University of Miyazaki, 5200 Kiyotake, Miyazaki 889–1692, Japan
5. Division of Microbiology, Department of Infectious Diseases, Faculty of Medicine, University of Miyazaki, 5200 Kiyotake, Miyazaki 889–1692, Japan
6. Division of Bioenvironmental Science, Frontier Science Research Center, University of Miyazaki, 5200 Kiyotake, Miyazaki 889–1692, Japan