1. Division of Diagnostic Molecular Pathology Kobe University Chuo‐ku Kobe Japan
2. Second Department of Pathology Kobe University Chuo‐ku Kobe 650‐0017
3. Department of Molecular Pathology Ehime University Toon‐City Ehime Japan
4. Division of Diagnostic Pathology Ehime University Hospital Toon‐City Ehime Japan