1. Veterinary Clinic and Training Center, Miyazaki Federation of Agricultural Mutual Aid Association, Shintomi, Miyazaki 889-1406, Japan
2. Agricultural Mutual Aid Association of Miyakonojoh, Miyakonojoh, Miyazaki 885-0012, Japan
3. Agricultural Mutual Aid Association of Koyu, Takanabe, Miyazaki 884-0002, Japan
4. Miyazaki University, Miyazaki 889-2155, Japan