1. Miyazaki University Veterinary Medical Teaching Hospital Laboratory 1‐1 Gakuenkibanadainishi Miyazaki City Miyazaki Prefecture Japan
2. Ozu Animal Clinic 317 Ozumachimuro, Kikuchi‐gun Kumamoto Prefecture Japan
3. Laboratory of Companion Animal Surgery, Department of Companion Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido, Japan.
4. Laboratory of Veterinary Internal Medicine, Department of Veterinary Clinical Sciences Graduate School of Veterinary Medicine, Hokkaido University 18‐9 Kita, Kita Ward, Sapporo Hokkaido Japan