Funding for this research was provided by:
Korea Medical Device Development Fund grant funded by the Korea government (KMDF_PR_20200901_0185, 9991007416)
Received: 9 November 2021
Accepted: 7 March 2022
First Online: 15 March 2022
: The study was approved by the Institutional Review Board of Eulji University (EUIRB2018-3) and performed in accordance with the Declaration of Helsinki. The authors obtained all necessary administrative permission to access the data prior to conducting this study. Participants’ information was anonymized and de-identified by the National Center for Health Statistics in Center for Disease Control.
: Not applicable.
: The authors declare that they have no competing interests.