Im, YeoJin
Kim, Dong Hee http://orcid.org/0000-0002-9514-9734
Article History
Accepted: 23 November 2020
First Online: 5 January 2021
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The Institutional Review Board (IRB) approval was obtained from the S Hospital Institutional Review Board (4-2010-0579). Written consent from the children’s family members were obtained after they were informed of the purpose and process of the study and the risks and benefits of participating in this study as well as the right to discontinue participate at any time during the study.
: Informed consent was obtained from all individual participants included in the study.