Department of Virology II, National Institute of Infectious Diseases, Japan

Hokkaido Institute of Public Health, Japan

Tokyo Metropolitan Research Laboratory of Public Health, Japan

Niigata Prefectural Research Laboratory for Health and Environment, Japan

Nagoya City Health Research Institute, Japan

Institute of Public Health, Mie Prefectural Science and Technology Promotion Center, Japan

Shiga Prefectural Institute of Public Health and Environmental Science, Japan

Kyoto Prefectural Institute of Hygienic and Environmental Sciences, Japan

Kyoto City Institute of Health and Environmental Sciences, Japan

Nara Prefectural Institute of Public Health, Japan

Fukuoka City Institute of Public Health, Japan

Department of Virology II, National Institute of Infectious Diseases, Japan

Department of Virology II, National Institute of Infectious Diseases, Japan