Kim S J1, Kim S W1, Lee D H2, Kim H W2, Kim C3, Lee H M4, Kim C I5, Chung B H6, Hwang T K1, Lee J Y1
1. Department of Urology, Seoul St. Mary's Hospital, The Catholic University of Korea, 2. Department of Urology, The Catholic University of Korea, 3. Department of Urology, Asan Medical Center, Univerity of Ulsan College of Medicine, 4. Department of Urology, School of Medicine, Sungkyunkwan University, 5. Department of Urology, Keimyung University, 6. Department of Urology, Yonsei University