1. Kagoshima Central Livestock Hygiene Service Center, 1678 Yuda, Higashiichiki, Hioki, Kagoshima 899-2201, Japan
2. Nansatsu Livestock Hygiene Service Center, 4210-18 Kohri, Chiran, Minamikyushu, Kagoshima 897-0302, Japan
3. Kumage Branch, Kagoshima Central Livestock Hygiene Service Center, 6065 Noma, Nakatane, Kagoshima 891-3604, Japan
4. Kyushu Research Station, National Institute of Animal Health, NARO, 2702 Chuzan, Kagoshima 891-0105, Japan