Funding for this research was provided by:
National Research Foundation of Korea (NRF-2019R1A2C1008226)
Received: 24 August 2021
Accepted: 24 March 2022
First Online: 14 April 2022
: The Institutional Review Board at the authors’ institution approved this retrospective study and the requirement for informed consent was waived.
: Not applicable.
: The authors do not have any conflicts of interest to report.