1. Division of Molecular Bioregulation, Cancer Research Institute, Kanazawa University, Kanazawa, Ishikawa
2. Center for the Development of Molecular Target Drugs, Cancer Research Institute, Kanazawa University, Kanazawa, Ishikawa
3. Department of Gastroenterology, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa
4. Department of Surgical Pathology, Toyama Medical and Pharmaceutical University Hospital, Toyama, Japan