1. Department of Veterinary Orthopedic and Neurosurgery, School of Veterinary Medicine, Rakuno Gakuen University, 582 Midori-machi, Bunkyo-dai, Ebetsu, Hokkaido 069–8501, Japan
2. Laboratory of Clinical Pathology, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
3. Sugiura Pet Clinic, 1–2 Shinei, Kiyota-ku, Sapporo, Hokkaido 004–0831, Japan
4. Department of Veterinary Anesthesiology, School of Veterinary Medicine, Rakuno Gakuen University, 582 Midori-machi, Bunkyo-dai, Ebetsu, Hokkaido 069–8501, Japan
5. Department of Veterinary Pathology, School of Veterinary Medicine, Rakuno Gakuen University, 582 Midori-machi, Bunkyo-dai, Ebetsu, Hokkaido 069–8501, Japan
6. Department of Veterinary Internal Medicine, School of Veterinary Medicine, Rakuno Gakuen University, 582 Midori-machi, Bunkyo-dai, Ebetsu, Hokkaido 069–8501, Japan