| Affiliation: | 1. Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan;2. Department of Gastroenterological and General Surgery, Kyorin University School of Medicine, Tokyo, Japan;3. Department of Gastrointestinal Endoscopy, NTT Medical Center Tokyo, Tokyo, Japan;4. Department of Gastroenterology, Imamura Hospital, Saga, Japan;5. Endoscopy Division, Yokohama City University Medical Center, Kanagawa, Japan;6. Department of Gastroenterology, Iwate Prefectural Isawa Hospital, Iwate, Japan;7. Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Kagawa, Japan;8. Gastroenterology and Hepatology, Osaka Red Cross Hospital, Osaka, Japan;9. Department of Gastroenterology, Akashi Medical Center, Hyogo, Japan;10. Department of Gastroenterology, Omori Red Cross Hospital, Tokyo, Japan;11. Endoscopy Division, Shizuoka Cancer Center, Shizuoka, Japan;12. Department of Gastroenterology, Ehime Rosai Hospital, Ehime, Japan |
