[1] Yonsei Univ, Dept Prevent Med, Wonju Coll Med, Wonju, South Korea
[2] Chonnam Natl Univ, Med Sch, Dept Urol, Hwasun Hosp, Hwasun, South Korea
[3] Yonsei Univ, Inst Convergence Sci, Ctr Evidence Based Med, Seoul, South Korea
[4] Inje Univ, Heaundae Paik Hosp, Dept Urol, Busan, South Korea
[5] Yonsei Univ, Dept Dermatol, Wonju Coll Med, Wonju, South Korea
[6] Chonnam Natl Univ, Dept Urol, Gwangju, South Korea
[7] Yonsei Univ, Div Endocrinol, Dept Internal Med, Wonju Coll Med, Wonju, South Korea
[8] Konyang Univ, Dept Urol, Coll Med, Daejeon, South Korea
[9] NCI, Immunocompromised Host Sect, Pediat Oncol Branch, Bethesda, MD USA
[10] Yonsei Univ, Yonsei Wonju Med Lib, Wonju Coll Med, Wonju, South Korea
[11] Yonsei Univ, Dept Urol, Wonju Coll Med, Wonju, South Korea
[12] Yonsei Univ, Dept Precis Med, Wonju Coll Med, Wonju, South Korea
[13] Univ Minnesota, Dept Urol, Minneapolis, MN USA
[14] Minneapolis VA Hlth Care Syst, Urol Sect, Minneapolis, MN USA