1. Department of Obstetrics and Gynecology Kobe University Graduate School of Medicine Kobe Japan
2. Department of Gynecologic Oncology Hyogo Cancer Center Akashi Japan
3. Section of Translational Research Hyogo Cancer Center Akashi Japan
4. Department of Surgical Pathology Sapporo Medical University School of Medicine Sapporo Japan
5. Department of Diagnostic Pathology Hyogo Cancer Center Akashi Japan