. 2020 Nov 9;62(1):79–84. doi: 10.4111/icu.20190248
© The Korean Urological Association, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.