1. Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, 1–7–1 Kyounan, Musashino, Tokyo 180–8602, Japan
2. Tsushima Wildlife Conservation Center, Saozaki Park, Sago, Kamiagata, Tsushima, Nagasaki, 817–1603, Japan
3. Yamazaki College of Animal Health Technology, 4–7–2 Minami-Osawa, Hachioji, Tokyo 192–0364, Japan
4. Laboratory of Veterinary Public Health, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1–7–1 Kyounan, Musashino, Tokyo 180–8602, Japan
5. Veterinary Diagnostic Laboratories, Veterinary Medical Teaching Hospital, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1–7–1 Kyounan, Musashino, Tokyo 180–8602, Japan
6. Division of Veterinary Biochemistry, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1–7–1 Kyounan, Musashino, Tokyo 180–8602, Japan