1. Department of Diagnostic Pathology Kumamoto University Hospital Kumamoto Japan
2. Department of Gynecology and Obstetrics Kyoto University Graduate School of Medicine Kyoto Japan
3. Department of Diagnostic Pathology Kyoto University Hospital Kyoto Japan
4. Section of Translational Research Hyogo Cancer Center Hyogo Japan
5. Department of Diagnostic Pathology Hyogo Cancer Center Hyogo Japan
6. Department of Diagnostic Pathology Shikoku Cancer Center Matsuyama Ehime Japan