1. Department of Urology, Chung Shan Medical University Hospital, Taichung, Taiwan.
2. Institue of Medicine, Chung Shan Medical University, Taichung, Taiwan.
3. Department of Physical Medicine and Rehabilitation, Chung Shan Medical University Hospital, Taichung, Taiwan.
4. School of Medicine, Chung Shan Medical University, Taichung, Taiwan.
5. Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung, Taiwan.