Affiliation: | 1. Department of Virology, Liver Unit, Nagoya City University Graduate School of Medical Sciences, , Nagoya, Japan;2. Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, , Nagoya, Japan;3. Infectious Disease and Immunogenetics Section, Department of Transfusion Medicine, Clinical Center, National Institutes of Health, , Bethesda, Maryland, USA;4. Division of Gastroenterology, Nagoya Daini Red Cross Hospital, , Nagoya, Japan |