1. Division of Gastroenterological Surgery; Chiba Cancer Center; Chiba Japan
2. Division of Chemotherapy and Cancer Diagnosis; Chiba Cancer Center; Chiba Japan
3. Medical & Biological Laboratories Co., Ltd; Nagoya Japan
4. Division of Pathology and Cell Therapy; Chiba Cancer Center; Chiba Japan
5. Division of Clinical Genetics and Proteomics; Department of Laboratory Medicine; Chiba University Hospital; Chiba Japan
6. Department of Surgery; School of Medicine; Toho University; Tokyo Japan