Ahn, SangNam
Kim, Seonghoon
Koh, Kanghyock
Article History
Received: 1 October 2021
Accepted: 20 December 2021
First Online: 14 January 2022
Declarations
:
: Ethics approval is not required because this research uses anonymized secondary data. As such, the consent form was not needed. All research methods were performed in accordance with the relevant guidelines and regulations specified in the Declarations of Helsinki.
: Not applicable.
: None.