1. Institute of Medicine Chung Shan Medical University Taichung Taiwan
2. Department of Obstetrics and Gynecology Chung Shan Medical University Hospital Taichung Taiwan
3. School of Medical Laboratory and Biotechnology Chung Shan Medical University Taichung Taiwan
4. Department of Medical Research Chung Shan Medical University Hospital Taichung Taiwan
5. Department of Surgery Chung Shan Medical University Hospital Taichung Taiwan
6. School of Medicine Chung Shan Medical University Taichung Taiwan
7. Department of Obstetrics and Gynecology, School of Medicine, College of Medicine Chung Shan Medical University Taichung Taiwan