1. Laboratory of Veterinary Pathology,Azabu University,1-17-71 Fuchinobe,Sagamihara,Kanagawa 229-8501,Japan
2. Research Institute of Biosciences,Azabu University,1-17-71 Fuchinobe,Sagamihara,Kanagawa 229-8501,Japan
3. Laboratory of Internal Medicine,Division of Veterinary Medicine,Faculty of Agriculture,Gifu University,Yanagido 1-1,Gifu 501-1193,Japan
4. Mitsubishi Tokyo Pharmaceutial Co.,Ltd,1000 Kamoshida,Midori-ku,Yokohama 227-0033,Japan
5. Department of Veterinary Medicine,National Chung Hsing University,250 Kuo Kuang Road,Taichung 40227,Taiwan