Jae Min Chung a, Sang Don Lee b, Dong Il Kang c, Dong Deuk Kwon d, Kun Suk Kim e, Su Yung Kim f, Han Gwun Kim g, Du Geon Moon h, Kwan Hyun Park i, Yong Hoon Park j, Ki Soo Pai k, Hong Jin Suh l, Jung Won Lee m, Won Yeol Cho n, Tae Sun Ha o, Sang Won Han p
a Department of Urology, Kosin University College of Medicine, Busan, Korea
b Department of Urology, College of Medicine, Pusan National University, Busan, Korea
c Department of Urology, Inje University College of Medicine, Busan, Korea
d Department of Urology, Hwasun Hospital, Chonnam National University, Hwasun, Korea
e Department of Urology, Asan Medical Center, University of Ulsan, Seoul, Korea
f Department of Pediatrics, College of Medicine, Pusan National University, Busan, Korea
g Department of Urology, GangNeung Asan Hospital, Ulsan University, Gangneung, Korea
h Department of Urology, Korea University Hospital, Seoul, Korea
i Department of Urology, Samsung Medical Center, Sungkyunkwan University, Seoul, Korea
j Department of Pediatrics, Yeungnam University Medical Center, Daegu, Korea
k Department of Pediatrics, Ajou University Medical Center, Suwon, Korea
l Department of Urology, Our Lady of Mercy Hospital, The Catholic University of Korea, Incheon, Korea
m Department of Pediatrics, Kangnam Sacred Heart Hospital, Hallym University, Seoul, Korea
n Department of Urology, College of Medicine, Dong-A University, Busan, Korea
o Department of Pediatrics, Chungbuk National University Hospital, Cheongju, Korea
p Department of Urology, Yonsei University Severance Hospital, Seoul, Korea