1. Department of Disease Control, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
2. Department of Advanced Pharmaceutics, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
3. Institute for Vaccine Research and Development (HU-IVReD), Hokkaido University, Sapporo, Japan
4. Hokkaido Hayakita Meat Inspection Center, Hokkaido Government, Abira, Japan
5. Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
6. Department of Molecular Pharmacology, Tohoku University Graduate School of Medicine, Sendai, Japan
7. Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan