1. Division of Hematology and Stem Cell Transplantation, Shizuoka Cancer Center, Shizuoka, Japan;
2. Division of Interventional Radiology, Shizuoka Cancer Center, Shizuoka, Japan;
3. Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan;
4. Division of Internal Medicine of Endocrinology and Metabolism, Atami Hospital, International University of Health and Welfare, Shizuoka, Japan;
5. Division of Pathology, Shizuoka Cancer Center, Shizuoka, Japan