1. Department of Gastroenterology Aichi Medical University School of Medicine Nagakute Japan
2. Glycoscience and Glycotechnology Research Group, Biotechnology Research Institute for Drug Discovery National Institute of Advanced Industrial Science and Technology Tsukuba Japan
3. Department of Virology II National Institute of Infectious Diseases Tokyo Japan
4. Department of Virology & Liver Unit Nagoya City University Graduate School of Medical Sciences Nagoya Japan
5. The Research Center for Hepatitis and Immunology National Center for Global Health and Medicine Ichikawa Japan