1. 1Kyushu University, Fukuoka, Japan
2. 2Tokyo Institute of Technology, Tokyo, Japan
3. 3Osaka Prefectural Institute of Public Health, Osaka, Japan
4. 4Miyazaki Prefectural Institute for Public Health and Environment, Miyazaki, Japan
5. 5Toyama Institute of Health, Toyama, Japan
6. 6Fukuoka Institute of Health and Environmental Sciences, Fukuoka, Japan
7. 7Universitair Ziekenhuis Brussel, Brussels, Belgium
8. 8National Institute of Animal Health, National Agriculture and Food Research Organization, Ibaraki, Japan
9. 9National Institute of Animal Health, Ibaraki, Japan
10. 10Yamaguchi Prefectural Institute of Public Health and Environment, Yamaguchi, Japan
11. 11University of Miyazaki, Miyazaki, Japan
12. 12University of Tokyo, Tokyo, Japan
13. 13Kagoshima University, Kagoshima, Japan
14. 14National Institute of Infectious Diseases, Tokyo, Japan
15. 15University of Liège, Liège, Belgium