| Affiliation: | 1. Premier Developmental Research of Medicine, Osaka Medical College, Osaka, Japan;2. Second Department of Internal Medicine, Osaka Medical College, Osaka, Japan;3. Department of Internal Medicine, Saga Medical School, Saga, Japan;4. Department of General Medicine, Kawasaki Medical School, Kurashiki‐city, Okayama, Japan;5. Odaka Medical and Gastrointestinal Clinic, Chiba, Japan;6. Hattori Clinic, Kumamoto, Japan;7. Department of Endoscopy and Endoscopic Surgery, Gunma University Hospital, Maebashi, Gunma, Japan;8. Department of Gastroenterology, Juntendo University Shizuoka Hospital, Shizuoka, Japan;9. Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan;10. National Hospital Organization Hakodate Hospital, Hakodate, Japan;11. Center for Clinical Research, Hamamatsu University School of Medicine, Hamamatsu, Japan;12. Department of Gastroenterology, Oita University Faculty of Medicine, Oita, Japan;13. Division of Gastroenterology, Department of Internal Medicine, Iwate Medical University, Iwate, Japan;14. Department of Gastroenterology and Hepatology, Shimane University School of Medicine, Izumo, Japan;15. University Hospitals Leuven, Leuven, Belgium;16. Department of Gastroenterology, Osaka City University Graduate School of Medicine, Osaka, Japan |
