1. Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
2. Kumage Agricultural Mutual Aid Associations, 6410–8 Noma Nakatane, Kumage-gun, Kagoshima 891–3604, Japan
3. Nippon Zenyaku Kogyo, 1–1 Tairanoue, Sasagawa, Asaka-machi, Koriyama, Fukushima 963–0196, Japan