1. Unit of Risk Analysis and Management, Research Center for Zoonosis Control, Hokkaido University, Kita 20, Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0020, Japan
2. Global Station for Zoonosis Control, Global Institute for Collaborative Research and Education (GI-CoRE), Hokkaido University, Kita 20, Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0020, Japan
3. Hokkaido Nemuro Livestock Hygiene Service Center, 69, Betsukai-Midorimachi, Betsukai, Notsuke-gun, Hokkaido 086-0214, Japan
4. Laboratory of Microbiology, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18, Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0018, Japan
5. Hokkaido Veterinary Medical Association Nemuro Branch, 119, Betsukai-Midorimachi, Betsukai, Notsuke-gun, Hokkaido 086-0292, Japan
6. Western Nemuro Operation Center, Hokkaido Higashi Agricultural Mutual Aid Association, 109, Nishi-Syunbetsu, Betsukai, Notsuke-gun, Hokkaido 088-2576, Japan
7. Northern Nemuro Operation Center, Hokkaido Higashi Agricultural Mutual Aid Association, 37, Tawara-bashi 14, Naka-shibetsu, Sibetsu-gun, Hokkaido 086-1137, Japan
8. Southern Nemuro Operation Center, Hokkaido Higashi Agricultural Mutual Aid Association, 119, Betsukai-Midorimachi, Betsukai, Notsuke-gun, Hokkaido 086-0292, Japan
9. Betsukai Town Office, 280, Betsukai-Tokiwa, Betsukai, Notsuke-gun, Hokkaido 086-0205, Japan
10. The Federation of Agricultural Cooperatives in Nemuro, 2, Higashi 1, Minami 1, Nakashibetsu, Sibetsu-gun, Hokkaido 086-1006, Japan