1. College of Medicine, Catholic University of Korea, urology, 10, 63-ro, Yeongdeungpo-gu, Seoul, Republic of Korea, he Catholic University of Korea, Yeouido ST. Mary’s Hospital, Seoul, Korea (the Republic of), 07345;
2. Seoul St. Mary's hospital, Urology, 222 Banpo-daero, Seocho-gu, Seoul, Korea (the Republic of), 06591;
3. The Catholic University of Korea Uijeongbu St Mary's Hospital, urology, Uijeongbu, Gyeonggi-do, Korea (the Republic of);
4. Catholic University of Korea College of Medicine, Urology, 1021, Tongil Ro, Eunpyeong-gu, Seoul, Korea (the Republic of), 03312;
5. College of Medicine, Catholic University of Korea, urology, Department of Urology, Seoul St. Mary’s Hospital, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul, Korea (the Republic of), 137-040, , ;