1. Oncology Pathology, Department of Pathology and Host‐Defense, Faculty of Medicine Kagawa University Kita‐gun Japan
2. Department of Gastroenterology Kanazawa University Graduate School of Medical Sciences Kanazawa Japan
3. Division of Cancer Stem Cell National Cancer Center Research Institute Tokyo Japan
4. Department of Medical Oncology and Cancer Center Shiga University of Medical Science Otsu Japan
5. Center for Advanced Medicine against Cancer, Shiga University of Medical Science Otsu Japan
6. Center for Antibody and Vaccine Therapy, Research Hospital, Institute of Medical Science Hospital, The University of Tokyo Tokyo Japan
7. Kanagawa Cancer Center Research Institute Yokohama Japan
8. Department of Pathology Kanagawa Cancer Center Yokohama Japan
9. Department of Gastrointestinal Surgery Kanagawa Cancer Center Yokohama Japan
10. Department of Thoracic Surgery Kanagawa Cancer Center Yokohama Japan
11. Department of Hepato‐Biliary and Pancreatic Surgery Kanagawa Cancer Center Yokohama Japan
12. Department of Urology Kanagawa Cancer Center Yokohama Japan
13. Division of Translational and Clinical Oncology Cancer Research Institute, Kanazawa University Kanazawa Japan
14. Department of Antibody Drug Development Tohoku University Graduate School of Medicine Sendai Japan
15. Division of Pathology Exploratory Oncology Research and Clinical Trial Center, National Cancer Center Chiba Japan
16. Department of Gastroenterology and Neurology Faculty of Medicine, Kagawa University Kita‐gun Japan
17. Diagnostic Pathology Faculty of Medicine, Kagawa University Kita‐gun Japan
18. Department of Thoracic, Breast and Endocrine Surgery Faculty of Medicine, Kagawa University Kita‐gun Japan
19. Department of Internal Medicine, Division of Hematology, Rheumatology and Respiratory Medicine Faculty of Medicine, Kagawa University Kita‐gun Japan
20. Department of Hygiene Faculty of Medicine, Kagawa University Kita‐gun Japan
21. Department of Gastroenterological Surgery Faculty of Medicine, Kagawa University Kita‐gun Japan
22. Department of Molecular Pharmacology Tohoku University Graduate School of Medicine Sendai Japan