1. Hepatology Division Department of Internal Medicine II Hamamatsu University School of Medicine Hamamatsu Shizuoka Japan
2. Department of Virology and Parasitology Hamamatsu University School of Medicine Hamamatsu Shizuoka Japan
3. Department of Pathology and Laboratory Medicine Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Tokushima Japan
4. Department of Medicine and Biosystemic Science Graduate School of Medical Sciences Kyushu University Fukuoka Fukuoka Japan
5. Department of Chemistry Hamamatsu University School of Medicine Hamamatsu Shizuoka Japan
6. Division of Rheumatology Allergy and Clinical Immunology University of California at Davis School of Medicine Davis CA USA