1. Department of Obstetrics and Gynecology, College of Medicine, National Taiwan University, Taipei, Taiwan
2. Department of Obstetrics and Gynecology, Min-Sheng Hospital, Taoyuan County, Taiwan
3. Department of Obstetrics and Gynecology, National Taiwan University Hospital Yun-Lin Branch, Douliou City, Yunlin County, Taiwan
4. Gynecologic Cancer Center, Department of Obstetrics and Gynecology, Cathay General Hospital, Taipei, Taiwan
5. Department of Pathology, College of Medicine, National Taiwan University, Taipei, Taiwan
6. Graduate Institute of Oncology, College of Medicine, National Taiwan University, Taipei, Taiwan
7. Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan