Funding for this research was provided by:
National Research Foundation of Korea (2017R1A2B4006950, 2020R1F1A1071591)
Article History
Received: 9 September 2021
Accepted: 11 November 2021
First Online: 27 November 2021
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki and approved by the Institutional Review Board of Asan Medical Center (2017-0668). All participants provided written informed consent for inclusion before they participated in the study.
: Not applicable.
: All authors of this manuscript declare they have no conflict of interest.