| Affiliation: | 1. Department of Urology, Severance Hospital, Urological Science Institute, Yonsei University College of Medicine, , Seoul, Korea;2. Department of Urology, Chonnam National University Medical School, , Gwangju, Korea;3. Department of Urology, Inje University College of Medicine, , Busan, Korea;4. Clinical Trial Center for Medical Device, Severance Hospital, Yonsei University College of Medicine, , Seoul, Korea;5. Robot and Minimal Invasive Surgery Center, Severance Hospital, Yonsei University College of Medicine, , Seoul, Korea |
