Funding for this research was provided by:
Korea Health Industry Development Institute (HI19C0481, HC19C0226)
Received: 6 September 2020
Accepted: 4 January 2021
First Online: 13 January 2021
Ethics approval and consent to participate
: The Institutional Review Board of the Samsung Medical Center (IRB No.2019–02–028-004) and Samsung Changwon Hospital (IRB No. 2019–06-003) approved this study, and each participant provided informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.