Funding for this research was provided by:
Korea Healthcare Technology R&D project (A102065)
Received: 22 January 2021
Accepted: 4 October 2021
First Online: 13 October 2021
: Ethical approval was obtained from KNUH Institutional Review Board (reference number: KNUH_09-1054), and written informed consent was obtained from all participants.
: All authors agreed to the publication of this manuscript.
: The authors have declared no conflicts of interest.