1. Nippon Zenyaku Kogyo Co., Ltd., 1–1 Tairanoue Sasagawa, Asaka-machi, Koriyama, Fukushima 963–0196, Japan
2. Department of Veterinary Microbiology, School of Veterinary Medicine, Azabu University, 1–17–71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252–5201, Japan
3. Institute of Tokyo Environmental Allergy, 2–2–4 Yushima, Bunkyo-ku, Tokyo 113–0034, Japan
4. Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu, 501–1193, Japan
5. Laboratory of Veterinary Molecular Pathology and Therapeutics, Division of Animal Life Science, Graduate School, Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, 3–5–8 Saiwai-cho, Fuchu, Tokyo 183–8509, Japan
6. Animal Allergy Clinical Laboratories, Inc., 5–4–30 Nishihashimoto, Midori-ku, Sagamihara Kanagawa 252–0131, Japan
7. Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1–1–1 Yayoi, Bunkyo-ku, Tokyo 113–8657, Japan