Seo, Moon Young
Choi, Man Ho
Hong, Youngmin
Kim, Shin-Hye
Park, Mi Jung http://orcid.org/0000-0002-7202-500X
Article History
Received: 9 May 2020
Accepted: 25 August 2020
First Online: 29 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Before conducting the study, the research protocol was reviewed and approved by the Institutional Review Board (approval number: SGPAIK 2018-12-010). Subjects and their parents were fully informed about the purpose of the study and provided informed consent before participation.
: Not applicable (this study did not contain personally identifiable data.)