Song, In Gyu
Shin, Seung Han
Cho, Yoon-Min
Lim, Youna
Article History
Received: 27 February 2023
Accepted: 3 May 2023
First Online: 20 May 2023
Declarations
:
: This study was designed and performed according to the principles of the Declaration of Helsinki. The Seoul National University Hospital institutional review board exempted this study from deliberation and waived the need for informed consent (E-2207-050-1339) due to its retrospective nature, as it utilized anonymized NHIS data. We were allowed to access all data of people born between 2008 and 2017 by the NHIS review committee.
: Not applicable.
: The authors declare that they have no competing interests.