1. Laboratory of Infectious Diseases, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
2. Department of Pathological and Preventive Veterinary Science, The United Graduate School of Veterinary Science; Yamaguchi University; Yoshida Yamaguchi Japan
3. Transboundary Animal Diseases Research Center, Joint Faculty of Veterinary Medicine; Kagoshima University; Kagoshima Japan
4. Department of Clinical and Population Health, College of Veterinary Medicine and Biomedical Sciences; Cavite State University; Cavite Philippines
5. Laboratory of Public Health, Faculty of Veterinary Medicine; Hokkaido University; Sapporo Hokkaido Japan