1. National Cancer Center Hospital East Supportive Care Center
2. National Cancer Center Hospital East Department of Hepatobiliary and Pancreatic Oncology
3. Cancer Institute Hospital of Japanese Foundation of Cancer Research Department of Gastroenterology
4. Kanagawa Cancer Center Department of Gastroenterology, Hepatobiliary and Pancreatic Medical Oncology Division
5. Mie University Graduate School of Medicine Department of Hepatobiliary Pancreatic and Transplant Surgery
6. Osaka International Cancer Institute Dept. of Cancer Survey and Gastrointestinal Oncology
7. Onomichi General Hospital Gastroenterology
8. National Kyushu Cancer Center Department of Hepato-Biliary-Pancreatology
9. JA Hiroshima General Hospital Department of gastroenterology & Hepatology
10. National Cancer Center Hospital Department of Hepatobiliary and Pancreatic Oncology