1. Kyoto Animal Referral Medical Center, 208–4, Shinarami, Tai, Kumiyama-cho, Kuze-gun, Kyoto 613–0036, Japan
2. Japan Animal Referral Medical Center, 2-5–8, Kuji, Takatsu-ku, Kawasaki, Kanagawa 213–0032, Japan
3. Department of Bioartificial Organs, Institute for Frontier Medical Sciences, Kyoto University, 53, Kawahara-cho, Sakyo-ku, Kyoto-shi, Kyoto 606–8507, Japan
4. Nishi-kyogoku Animal Hospital, 43, Nishimaruta-machi, Nishi-kyogoku, Ukyo-ku, Kyoto-shi, Kyoto 615–0862, Japan
5. Department of Veterinary Pathology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1–1–1, Yayoi, Bunkyo-ku, Tokyo 113–8657, Japan