1. Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
2. School of Medicine, Chung Shan Medical University, Taichung, Taiwan
3. Department of Urology, Chung Shan Medical University Hospital, Taichung, Taiwan
4. Department of Obstetrics and Gynecology, Chung Shan Medical University, Taichung, Taiwan
5. Division of Infertility Clinic, Lee Women’s Hospital, Taichung, Taiwan