1. Laboratory of Veterinary Anatomy, Department of Veterinary Medicine Obihiro University of Agriculture and Veterinary Medicine Obihiro Japan
2. Laboratory of Anatomy, Department of Basic Veterinary Science, Faculty of Veterinary Medicine Hokkaido University Sapporo Japan
3. Department of Biological Safety Research, Chitose Laboratory Japan Food Research Laboratories Chitose Japan
4. Laboratory of Veterinary Anatomy, Department of Veterinary Medicine, School of Veterinary Medicine Rakuno Gakuen University Ebetsu Japan
5. Laboratory of Agrobiomedical Science, Faculty of Agriculture Hokkaido University Sapporo Japan
6. Medical Zoology Group, Department of Infectious Diseases Hokkaido Institute of Public Health Sapporo Japan
7. Laboratory of Veterinary Parasitic Diseases, Department of Veterinary Sciences, Faculty of Agriculture University of Miyazaki Miyazaki Japan
8. Department of Biological Safety Research, Tama Laboratory Japan Food Research Laboratories Tama Japan