Funding for this research was provided by:
Catholic Medical Center Research Foundation (programme year of 2022)
Received: 11 November 2022
Accepted: 8 March 2023
First Online: 15 March 2023
: The Institutional Review Board at the KCDC approved the protocol, and all participants signed informed consent forms. The Institutional Review Board of St. Mary’s Hospital, South Korea exempted this study from ethical approval as it used publicly available data.
: Not applicable.
: The authors declare that they have no competing interests.