1. Department of Veterinary Teaching Hospital, School of Veterinary Medicine, Kitasato University
2. Department of Veterinary Parasitology, School of Veterinary Medicine, Kitasato University
3. Laboratory of Toxicology, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University
4. National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine
5. Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University
6. Department of Comparative and Experimental Medicine, Graduate School of Medical Sciences, Nagoya City University