Cho, Ky Young https://orcid.org/0000-0002-0565-8077
Funding for this research was provided by:
Ministry of Education (NRF-2018R1D1A1B07046799)
Hallym University (HURF-2017-81)
Article History
Received: 1 June 2020
Accepted: 9 October 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: This study was carried out in accordance with the Declaration of Helsinki and approved by the Hallym University Kangnam Sacred Heart Hospital Institutional Review Board under IRB No. 2018–06–026-003. Written informed consent was obtained from all of the participants and their parents on behalf of any participants under the age of 16 years old prior to the start of the study.
: Not applicable.
: The author declares no financial or any other competing interests.