1. Department of Gastroenterology and Hepatology Kyoto University Graduate School of Medicine Kyoto Japan
2. Department of Therapeutic Oncology Kyoto University Graduate School of Medicine Kyoto Japan
3. Department of Health Informatics Kyoto University School of Public Health Kyoto Japan
4. Gastrointestinal Center Urasoe General Hospital Okinawa Japan
5. Gastrointestinal Center and Institute of Minimally Invasive Endoscopic Care (iMEC) Sano Hospital Hyogo Japan
6. Division of Gastroenterology, Department of Internal Medicine, Graduate School of Medicine Kobe University Hyogo Japan
7. Department of Gastroenterology and Hepatology Nagoya University Graduate School of Medicine Aichi Japan
8. Department of Gastroenterology Saku Central Hospital Advanced Care Center Nagano Japan
9. Department of Gastroenterology and Hepatology Hyogo Prefectural Kakogawa Medical Center Hyogo Japan
10. Department of Gastroenterology and Hepatology Japanese Red Cross Wakayama Medical Center Wakayama Japan
11. Department of Gastroenterology Sendai Kousei Hospital Miyagi Japan