Funding for this research was provided by:
Pusan National University Yangsan Hospital
Received: 3 February 2022
Accepted: 9 May 2022
First Online: 15 May 2022
: The Institutional Review Board of the local ethical committee of Pusan National University Yangsan Hospital approved the current retrospective study (IRB no. 05-2021-164). Informed consent was waived because of the retrospective nature of the study.
: Not applicable.
: The authors have no potential conflicts of interest to disclose.