1. School of Veterinary Medicine, Rakuno Gakuen University, 582 Midori-machi, Bunkyodai, Ebetsu, Hokkaido 069-8501, Japan
2. University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192 Japan
3. Veterinary Internal Medicine, Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, 1866 Kameino, Fujisawa, Kanagawa 252-8510, Japan
4. Hitomi Animal Hospital, 37-7 Yoshidakamiadachicho, Sakyo, Kyoto 606-8307, Japan
5. Ebisu Animal Hospital, 3-3-43 Nishitaga, Taihaku, Sendai, Miyagi 982-0034, Japan
6. Laboratory of Small Animal Internal Medicine II, School of Veterinary Medicine, Kitasato University, 23-35-1 Higashi, Towada, Aomori 034-8628, Japan
7. Hosaka Animal Hospital, 4-17-1 Nihonmatsu Midori, Sagamihara, Kanagawa 252-0137, Japan
8. Uenonomori Animal Clinic, 1-5-11 Yanaka Taito, Tokyo 110-0001, Japan
9. Olieve Animal Medical Center, 12-5 Shinomiyakandacho, Yamashina, Kyoto 607-8035, Japan