1. Department of Urology, An Nan Hospital, China Medical University, Tainan, Taiwan
2. Department of Urology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Tzu Chi University, Hualien, Taiwan
3. Department of Urology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
4. Department of Urology, Kaohsiung Chang Gang Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, Taiwan
5. Department of Urology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung, Taiwan
6. Department of Urology, Feng Shan Lee Chia Wen Urologic Clinic, Kaohsiung, Taiwan
7. Department of Urology, Kaohsiung Medical University Hospital and College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
8. Department of Urology, Chung Shan Medical University Hospital, Taichung, Taiwan
9. Department of Urology, Chung Gung Memorial Hospital, Chiayi, Taiwan
10. Department of Urology, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan
11. Department of Urology, Taichung Veterans General Hospital, Taichung, Taiwan