1. Department of General Internal Medicine; Kyushu University Hospital; Fukuoka Japan
2. Department of Hepatology; Steel Memorial Yawata Hospital; Kitakyushu Japan
3. The Center for Liver Disease; Shin-Kokura Hospital; Kitakyushu Japan
4. Department of Medicine; Kitakyushu Municipal Medical Center; Kitakyushu Japan
5. Department of Medicine; Hamanomachi Hospital; Fukuoka Japan
6. Department of Internal Medicine; Chihaya Hospital; Fukuoka Japan
7. Center for Liver Disease; National Hospital Organization Kokura Medical Center; Kitakyushu Japan
8. Department of Medicine; Kyushu Central Hospital; Fukuoka Japan
9. Department of Gastroenterology, Kyushu Medical Center; National Hospital Organization; Fukuoka Japan
10. Department of Medicine; Fukuoka City Hospital; Fukuoka Japan
11. Department of Medicine and Bioregulatory Science; Kyushu University; Fukuoka Japan
12. Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
13. Kyushu General Internal Medicine Center; Haradoi Hospital; Fukuoka Japan