1. National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine
2. Nakamura Domestic Animal Clinic
3. Hokkaido Agricultural Developmental Corporation
4. Hokkaido Tokachi Livestock Hygiene Service Center
5. Hokkaido Animal Research Center
6. Field Science Center for Northern Biosphere, Hokkaido University
7. The National Livestock Breeding Center
8. Department of Clinical Veterinary Science, Obihiro University of Agriculture and Veterinary Medicine