1. School of Medicine, College of Medicine, Kaohsiung Medical University Kaohsiung Taiwan
2. Department of Pathology Kaohsiung Medical University Hospital, Kaohsiung Medical University Kaohsiung Taiwan
3. Department of Obstetrics and Gynecology Kaohsiung Municipal Ta‐Tung Hospital, Kaohsiung Medical University Kaohsiung Taiwan
4. Department of Obstetrics and Gynecology Kaohsiung Medical University Hospital, Kaohsiung Medical University Kaohsiung Taiwan