Byun, Jung-Hyun http://orcid.org/0000-0001-5909-5807
Yong, Dongeun
Kim, Heejung http://orcid.org/0000-0002-0190-703X
Funding for this research was provided by:
National Research Foundation of Korea (2020R1F1A1066895)
Article History
Received: 14 October 2021
Accepted: 29 January 2022
First Online: 5 February 2022
Declarations
:
: This study was approved by the Institutional Review Board of Severance Hospital (2018-0281-001). The need for informed consent from participants (a parent or guardian for participants under 16 years old) was waived. The data used in this study was anonymised before its use.
: Not applicable.
: The authors declare that they have no competing interests.