1. Department of Urology, Hanyang University College of Medicine, Seoul, Korea;
2. Department of Urology, Hallym University College of Medicine, Seoul, Korea;
3. Department of Urology, Soonchunhyang University College of Medicine, Seoul, Korea;
4. Department of Urology, College of Medicine, The Catholic University of Korea, Yeoido St Mary’s Hospital, Seoul, Korea;
5. Department of Urology, Dong-A University College of Medicine, Busan, Korea;
6. Department of Urology, Yonsei University College of Medicine, Seoul, Korea;
7. Department of Urology, Korea University College of Medicine, Seoul, Korea;
8. Department of Urology, Chung-Ang University College of Medicine, Seoul, Korea;
9. Department of Urology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea;
10. Department of Urology, Eulji University College of Medicine, Seoul, Korea;
11. Department of Urology, Inje University College of Medicine, Seoul, Korea;
12. Department of Urology, College of Medicine, The Catholic University of Korea, Seoul St Mary’s Hospital, Seoul, Korea;
13. Hanmi Pharmaceutical Co. Ltd., Seoul, Korea