1. Department of Urology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi 622, Taiwan
2. Department of Urology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei 110, Taiwan
3. Department of Urology, An Nan Hospital, China Medical University, Tainan City 833, Taiwan
4. Feng Shan Lee Chia Wen Urologic Clinic, Kaohsiung 800, Taiwan
5. Division of Urology, Department of Surgery, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 333, Taiwan
6. Department of Urology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung 812, Taiwan
7. Department of Urology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
8. Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung 813031, Taiwan
9. Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
10. Department of Urology, En Chu Kong Hospital, New Taipei City 237, Taiwan
11. Department of Biomedical Engineering, Chung Yuan Christian University, Chungli 320, Taiwan
12. Department of Urology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Buddhist Tzu Chi University, Hualien 970, Taiwan