1. Laboratory of Global Infectious Diseases Control Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
2. Molecular Diagnosis Division, Nippon Gene Co., Ltd., 2-8-16 Toiya-machi, Toyama 930-0834, Japan
3. Hyogo Prefectural Awaji Meat Inspection Center, 49-18 Shitoorinagata, Minamiawaji 656-0152, Japan
4. Kumagaya Livestock Hygiene Service Center, Kumagaya 360-0813, Japan
5. Laboratory of Global Animal Resource Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan