1. Department of Pathology and Histotechnology; Tohoku University Graduate School of Medicine; Sendai Japan
2. Division of Gene Regulation and Signal Transduction; Research Center for Genomic Medicine; Saitama Medical University; Hidaka Saitama Japan
3. Department of Anatomic Pathology; Tohoku University Graduate School of Medicine; Sendai Japan
4. Department of Surgical Oncology; Tohoku University Graduate School of Medicine; Sendai Japan
5. Department of Pathology; Tohoku University Hospital; Sendai Japan