1. Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Center, Shizuoka, Japan
2. Medical Genetics Division, Shizuoka Cancer Center Research Institute, Shizuoka, Japan
3. Division of Pathology, Shizuoka Cancer Center, Shizuoka, Japan
4. Cancer Diagnostics Research Division, Shizuoka Cancer Center Research Institute, Shizuoka, Japan
5. Regional Resources Division, Shizuoka Cancer Center Research Institute, Shizuoka, Japan
6. Shizuoka Cancer Center Hospital and Research Institute, Shizuoka, Japan