1. Department of Hepatology; Toranomon Hospital; Tokyo Japan
2. Department of Medicine and Molecular Science; Gunma University Graduate School of Medicine; Gunma Japan
3. Department of Gastroenterology and Hepatology; Osaka University Graduate School of Medicine; Osaka Japan
4. Department of Gastroenterology; Kyushu Medical Center; National Hospital Organization; Fukuoka Japan
5. Department of Gastroenterology and Hepatology; Nagoya University School of Medicine; Nagoya Japan
6. Department of Medical and Molecular Science; Division of Frontier Medical Science; Programs for Biomedical Research; Graduate School of Biomedical Science; Hiroshima University; Hiroshima Japan
7. Department of Gastroenterology; Sapporo Kosei General Hospital; Hokkaido Japan
8. Development Division; Mitsubishi Tanabe Pharma Corporation; Tokyo Japan
9. Department of Gastroenterology and Hepatology; Saiseikai Suita Hospital; Osaka Japan