1. Graduate Institute of Clinical Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
2. Department of Urology Kaohsiung Medical University Hospital Kaohsiung Taiwan
3. Department of Anatomy, School of Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
4. Graduate Institute of Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
5. Department of Urology Kaohsiung Municipal Siaogang Hospital Kaohsiung Taiwan
6. Department of Urology Ministry of Health and Welfare Pingtung Hospital Pingtung Taiwan
7. Department of Urology, School of Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
8. Department of Microbiology, School of Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
9. Department of Biochemistry, School of Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
10. Department of Urology Kaohsiung Municipal Ta‐Tung Hospital Kaohsiung Taiwan