Jang, Young-Eun
Ji, Sang-Hwan
Lee, Ji-Hyun
Kim, Eun-Hee
Kim, Jin-Tae
Kim, Hee-Soo
Article History
Received: 29 March 2021
Accepted: 28 August 2021
First Online: 9 September 2021
Declarations
:
: The study was approved by the Institutional Review Board of Seoul National University Hospital (Ref No: 1705–110-855). Written informed consent was obtained from one of the parents or legal guardians for minor patients, and patients were given a verbal explanation and had the opportunity to ask questions about the study methods and purposes. Verbal consent was obtained from each patient.
: Not applicable.
: The authors declare that they have no competing interests.