Funding for this research was provided by:
National Research Foundation of Korea (NRF-2019R1G1A1011559)
Article History
Received: 6 November 2021
Accepted: 12 March 2022
First Online: 29 March 2022
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: Patient consent was waived because of the retrospective nature of the study.
: This retrospective study was conducted according to the guidelines of the Declaration of Helsinki and approved by the Institutional Review Board of Keimyung University Dongsan Hospital (IRB no. 2020-12-069, 22 December 2020).