. 2021 Oct 29;101(5):281–290. doi: 10.4174/astr.2021.101.5.281
Copyright © 2021, the Korean Surgical Society
Annals of Surgical Treatment and Research is an Open Access Journal. All articles are 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.