1. Department of Gastroenterology and Hepatology Musashino Red Cross Hospital Tokyo Japan
2. NAFLD Research Center Division of Gastroenterology and Hepatology Department of Medicine University of California San Diego La Jolla California USA
3. Department of Gastroenterology Hiroshima Red Cross Hospital and Atomic‐bomb Survivors Hospital Hiroshima Japan
4. Department of Gastroenterology Japanese Red Cross Asahikawa Hospital Asahikawa Hokkaido Japan
5. Center for Liver‐Biliary‐Pancreatic Disease Matsuyama Red Cross Hospital Matsuyama Ehime Japan
6. Department of Gastroenterology Japanese Red Cross Ishinomaki Hospital Ishinomaki Miyagi Japan
7. Department of Gastroenterology Masuda Red Cross Hospital Masuda Shimane Japan
8. Department of Gastroenterology Japanese Red Cross Okayama Hospital Okayama Okayama Japan
9. Department of Gastroenterology Japanese Red Cross Kyoto Daiichi Hospital Kyoto Japan
10. Department of Gastroenterology Japanese Red Cross Akita Hospital Akita Japan
11. Department of Gastroenterology and Hepatology Osaka Red Cross Hospital Osaka Japan
12. Department of Gastroenterology Japanese Red Cross Otsu Hospital Otsu Shiga Japan
13. Department of Hepatology Japanese Red Cross Ise Hospital Ise Mie Japan
14. Department of Gastroenterology Japanese Red Cross Medical Center Tokyo Japan
15. Department of Gastroenterology Matsue Red Cross Hospital Matsue Shimane Japan
16. Department of Internal Medicine Japanese Red Cross Society Himeji Hospital Himeji Japan
17. Department of Gastroenterology and Hepatology Ogaki Municipal Hospital Ogaki Japan