1. Division of Infectious Disease Control, Center for Infectious Diseases, Kobe University Graduate School of Medicine , Kobe, Japan
2. Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada , Yogyakarta, Indonesia
3. Department of Virology and Parasitology, Hamamatsu University School of Medicine , Hamamatsu, Japan
4. Department of Virology III, National Institute of Infectious Diseases , Tokyo, Japan
5. Department of Virology II, National Institute of Infectious Diseases , Tokyo, Japan
6. Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases , Tokyo, Japan
7. Research Center for Hepatitis and Immunology, National Center for Global Health and Medicine , Ichikawa, Japan
8. Center for Infectious Disease Education and Research (CiDER), Osaka University , Osaka, Japan
9. Laboratory of Virus Control, Research Institute for Microbial Diseases (RIMD), Osaka University , Osaka, Japan