1. Department of Infectious Diseases and Public Health, School of Veterinary Medicine, Mongolian University of Life Science, Khan-Uul district, Zaisan 17042, Ulaanbaatar, Mongolia
2. Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Hokkaido 060-0818, Japan
3. Organization for Promotion of Tenure Track, University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
4. Center for Animal Disease Control, University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan