1. Department of Urology, Soonchunhyang University College of Medicine, Cheonan, Korea.
2. Department of Laboratory Medicine, Yonsei University, Seoul, Korea.
3. Department of Urology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.
4. Department of Urology, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Bucheon, Korea.
5. Department of Urology, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu, Korea.
6. Department of Urology, Yonsei University Wonju College of Medicine, Wonju, Korea.
7. Center of Evidence-Based Medicine, Institute of Convergence Science, Yonsei University, Seoul, Korea.
8. Department of Urology, Chonnam National University Medical School, Gwangju, Korea.