1. Division of Transboundary Animal Disease National Institute of Animal Health, National Agriculture and Food Research Organization (NARO) Tsukuba Japan
2. Exotic Disease Inspection Division, Laboratory Department, Animal Quarantine Service, Ministry of Agriculture, Forestry and Fisheries Tokoname Japan
3. Pathological and Physiochemical Examination Division, Laboratory Department, Animal Quarantine Service, Ministry of Agriculture, Forestry and Fisheries Yokohama Japan
4. United Graduate School of Veterinary Sciences Gifu University Gifu Japan