1. Department of Urology, Seoul Medical Center, Seoul, Korea
2. Department of Urology, College of Medicine, Kyung Hee University, Seoul, Korea
3. Department of Urology, Dongguk University College of Medicine, Gyeongju, Korea
4. Department of Urology, Chonnam National University Medical School, Gwangju, Korea
5. Department of Urology, VHS Medical Center, Seoul, Korea
6. Department of Urology, Soonchunhyang University College of Medicine, Bucheon, Korea
7. Department of Urology, Jeju National University College of Medicine, Jeju, Korea
8. Department of Urology, College of Medicine, The Catholic University of Korea, Seoul, Korea
9. Department of Urology, Daegu Fatima Hospital, Daegu, Korea
10. Department of Urology, Pusan National University Yangsan Hospital, Yangsan, Korea
11. Department of Urology, Chungnam National University College of Medicine, Daejeon, Korea
12. Department of Urology, Yonsei University Wonju College of Medicine, Wonju, Korea
13. Department of Urology, Konkuk University School of Medicine, Chungju, Korea
14. Department of Urology, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu, Korea
15. Department of Urology, Chung-Ang University College of Medicine, Seoul, Korea