[1] Soonchunhyang Univ, Bucheon Hosp, Clin Trial Ctr, Dept Biostat, Bucheon, South Korea
[2] Soonchuhyang Univ, Coll Med, Bucheon Hosp, Dept Urol, Bucheon, South Korea
[3] Soonchunhyang Univ, Med Biotechnol, Asan, South Korea
[4] Soonchunhyang Univ, Pharmaceut Engn, Asan, South Korea
[5] Soonchuhyang Univ, Coll Med, Soonchunhyang Univ Hosp, Dept Urol, Seoul, South Korea