1. Global Oita Medical Advanced Research Center for Health Oita University Oita Japan
2. Department of Gastroenterological and Pediatric Surgery Oita University Faculty of Medicine Oita Japan
3. Department of Gastroenterology Mishuku Hospital Tokyo Japan
4. Biostatistics Center Kurume University Fukuoka Japan
5. Kitakyushu Kokura Hospital Fukuoka Japan
6. Department of Radiology Konan Medical Center Hyogo Japan
7. Clinical Research Institute and Department of Surgery National Hospital Organization Beppu Medical Center Oita Japan
8. Kitakyushu Koga Hospital Fukuoka Japan
9. Institute of Gastroenterology Department of Internal Medicine Tokyo Women's Medical University Tokyo Japan
10. Department of Surgery Japanese Red Cross Kochi Hospital Kochi Japan
11. Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
12. Nippon Medical School Tokyo Japan
13. Fukushima Preservative Service Association of Health Fukushima Japan
14. Center for Liver Disease Minimal Invasive Treatment Shin‐Yurigaoka General Hospital Kanagawa Japan