1. Department of Palliative Medicine and Gastroenterology, International University Health and Welfare Narita Hospital, Narita, Japan
2. Department of Gastroenterology and Hepatology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
3. Department of Gastroenterology, Toshiba Rinkan Hospital, Sagamihara, Japan
4. Department of Clinical Cancer Genomics, Yokohama City University Hospital, Yokohama, Japan
5. Department of Internal Medicine, Kanagawa Dental University Yokohama Clinic, Yokohama, Japan
6. Department of Data Science, Yokohama City University Graduate School of Medicine, Yokohama, Japan
7. Division of Gastroenterology and Hepatology, Department of Medicine, National University Hospital, Singapore
8. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
9. The Gastroenterology Group, Gleneagles Hospital, Singapore
10. Department of Gastroenterology, International University Health and Welfare, School of Medicine, Narita, Japan