Article History
Received: 5 October 2021
Accepted: 7 June 2022
First Online: 18 June 2022
Declarations
:
: This study was approved by the Institutional Review Board of Asan Medical Center (2016-0480). Informed consent was not deemed necessary owing to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no conflicts of interests.