Yoon, Bora
Kim, Hwa-Jung
Article History
Received: 25 October 2021
Accepted: 17 January 2022
First Online: 22 April 2022
Declarations
:
: This study was approved by the Institutional Review Board (IRB) of Konyang University Hospital (IRB No. KYUH 2019–02-017). Written informed consent was waived for this study by the IRB of Konyang University Hospital because the KNHIS dataset was controlled under the strict confidentiality guidelines of the Korean government, and the data that researchers can assess have already been anonymized.
: Not applicable.
: The authors declare no competing interests.