Hwang, Sooshin
Lee, Hee-min
Yun, Pil-Young
Kim, Young-Kyun
Article History
Received: 5 October 2022
Accepted: 19 April 2023
First Online: 22 May 2023
Declarations
:
: The study was performed in accordance with the guidelines of the Helsinki Declaration (2013), protecting the participants’ anonymity and privacy and maintaining public confidence. The study was approved by the Institutional Review Board(IRB) at Seoul National University Bundang Hospital (IRB no.B-2207-768-102). IRB at Seoul National University Bundang Hospital formally granted an exemption from requiring informed consent due to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.