1. Department of Cell Pathology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan,
2. Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan,
3. Department of Diagnostic Pathology, Kumamoto University Hospital, Kumamoto, Japan,
4. Division of Clinical Immunology and Cancer Immunotherapy, Center for Cancer Immunotherapy and Immunobiology, Graduate School of Medicine, Kyoto University, Kyoto, Japan,
5. Center for Metabolic Regulation of Healthy Aging, Kumamoto University, Kumamoto, Japan