Japan Institute for Health Security, National Center for Global Health and Medicine, Japan Institute for Health Security, National Center for Global Health and Medicine - AIDS Clinical Center, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, National Center for Global Health and Medicine - AIDS Clinical Center, National Center for Global Health and Medicine - AIDS Clinical Center, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, National Center for Global Health and Medicine - AIDS Clinical Center and Japan Institute for Health Security

National Center for Global Health and Medicine - AIDS Clinical Center, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, Japan Institute for Health Security, National Center for Global Health and Medicine, Japan Institute for Health Security, Tokyo Metropolitan Institute of Public Health - Department of Microbiology, Tokyo Metropolitan Institute of Public Health - Department of Microbiology, Tokyo Metropolitan Institute of Public Health, Japan Institute for Health Security and National Center for Global Health and Medicine - AIDS Clinical Center