Article History
Received: 15 February 2021
Revised: 29 June 2021
Accepted: 29 June 2021
First Online: 26 August 2021
Declarations
:
: This study was approved by the Institutional Review Board of Hallym University Sacred Heart Hospital, Anyang, Korea (IRB No. 2020–09-032).
: Written informed consent was obtained from all the participants or their parents.
: Not applicable.
: The authors declare no competing interests.