1. Department of Disease Control, Faculty of Veterinary Medicine, Hokkaido University, Kita-18, Nishi-9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
2. Department of Advanced Pharmaceutics, Faculty of Veterinary Medicine, Hokkaido University, Kita-18, Nishi-9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
3. Vaxxinova Japan K.K., 1-24-8 Hamamatsucho, Minato-ku, Tokyo 105-0013, Japan