[1
]
Department of Urology, University of Ulsan College of Medicine, Asan Medical Center,
Seoul, Korea; Department of Urology, Kangwon National University Hospital, Chuncheon,
Korea.
[2
]
Department of Urology, University of Ulsan College of Medicine, Asan Medical Center,
Seoul, Korea.
[3
]
Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center,
Seoul, Korea.
[4
]
Department of Urology, University of Ulsan College of Medicine, Asan Medical Center,
Seoul, Korea. Electronic address: bshong@amc.seoul.kr.