1. Department of Nutritional Science; Morioka University; Iwate Japan
2. Division of Hepatology, Department of Internal Medicine; Iwate Medical University; Iwate Japan
3. Department of Gastroenterology and Hepatology; Tokyo Medical University; Tokyo Japan
4. Division of Gastroenterology and Hepatology; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
5. Department of Medicine; Gifu University Graduate School of Medicine; Gifu Japan
6. Department of Gastroenterology and Hepatology; Yamaguchi University Graduate School of Medicine; Yamaguchi Japan
7. Division of Hepatobiliary and Pancreatic Disease, Department of Internal Medicine; Hyogo College of Medicine; Nishinomiya Japan
8. Department of Gastroenterology; Saiseikai Niigata Daini Hospital; Niigata Japan
9. Department of Gastroenterology; National Hospital Organization Takasaki General Medical Center; Takasaki Japan
10. Department of Gastroenterology and Hepatology; Juntendo University Shizuoka Hospital; Shizuoka Japan
11. Department of Internal Medicine; Kagawa Prefectural Central Hospital; Takamatsu Japan
12. Clinical Development Department; ASKA Pharmaceutical Co., Ltd; Tokyo Japan
13. Shunan Memorial Hospital/Yamaguchi University; Yamaguchi Japan