Funding for this research was provided by:
Samsung Medical Center (SMO1200901)
Received: 10 September 2021
Accepted: 24 November 2021
First Online: 7 December 2021
: The institutional review board of the Samsung Medical Center approved this study and waived the requirement for informed consent because of the observational nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.