1. Department of Hepatobiliary and Pancreatic Surgery National Cancer Center Hospital East Chiba Japan
2. Course of Advanced Clinical Research of Cancer Juntendo University Graduate School of Medicine Tokyo Japan
3. Division of Pathology Exploratory Oncology Research & Clinical Trial Center National Cancer Center Hospital East Chiba Japan
4. Department of Diagnostic Radiology National Cancer Center Hospital East Chiba Japan
5. Department of Radiation Oncology National Cancer Center Hospital East Chiba Japan
6. Department of Pathology Saiseikai Yokohamashi Nanbu Hospital Kanagawa Japan
7. Department of Human Pathology Kanazawa University Graduate School of Medical Sciences Kanazawa Japan
8. Department of Pathology University of Tokyo Tokyo Japan
9. Department of Pathology University of the Ryukyus Okinawa Japan
10. Division of Pathology Shizuoka Cancer Center Shizuoka Japan
11. Department of Pathology Mie University Mie Japan
12. Department of Pathology Tokai University School of Medicine Kanagawa Japan
13. Department of Diagnostic Pathology Dokkyo Medical University Tochigi Japan
14. Department of Pathology Saga University Hospital Saga Japan
15. Department of Investigative Pathology Tohoku University Graduate School of Medicine Sendai Miyagi Japan
16. Department of Pathology Kurashiki Central Hospital Okayama Japan
17. Department of Pathology Saitama Medical University Saitama Japan
18. Department of Pathology Kagawa University Kagawa Japan
19. Department of Diagnostic Pathology Kurume University Hospital Fukuoka Japan
20. Department of Human Pathology School of Medicine Juntendo University Tokyo Japan
21. Department of Pathology Fukuoka University Fukuoka Japan
22. Department of Pathology National Hospital Organization Nagasaki Medical Center Hospital Nagasaki Japan
23. Department of Pathology Keio University School of Medicine Tokyo Japan
24. Department of Pathology Jichi Medical University Tochigi Japan