Document is current

Article History

Received: 15 December 2021

Accepted: 27 May 2022

First Online: 4 June 2022

Declarations

:

: The study was approved by the Institutional Review Board of Seoul National University Hospital (IRB No. 2004–193-1119). All methods were performed in accordance with the relevant guidelines and regulations. Written informed consent was obtained from all participants. For participants under 19 years of age, both written informed consent from their legal guardians and written assent from the participants were obtained.

: Not applicable.

: None.