1. Animal Care and Consultation Center Jonanjima branch office, Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government, 3–2–1 Jonanjima, Ota-ku, Tokyo 143–0002, Japan
2. Wholesale Market Sanitary Inspection Station, Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government, 5–2–1 Tsukiji, Chuo-ku, Tokyo 104–0045, Japan
3. Shibaura Meat Sanitary Inspection Station, Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government, 2–7–19 Kounan, Minato-ku, Tokyo 108–0075, Japan
4. Laboratory of Veterinary Parasitic Diseases, Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, 1–1 Gakuen-Kibanadai-Nishi, Miyazaki, Miyazaki 889–2192, Japan
5. Center for Animal Disease Control, University of Miyazaki, 1–1 Gakuen-Kibanadai-Nishi, Miyazaki, Miyazaki 889–2192, Japan