Ahn, Jaejin https://orcid.org/0000-0001-9305-9359
Choi, Woonsun https://orcid.org/0000-0003-3200-1107
Article History
Accepted: 12 October 2020
First Online: 19 October 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures involving human participants were performed in accordance with the code of conduct of research with human subjects in South Korea. Original study was approved by the relevant institutional review boards.
: For this type of study (i.e., secondary data analysis), formal consent is not required.