Funding for this research was provided by:
National Research Foundation of Korea (2020R1A2C2012295)
Received: 28 December 2020
Accepted: 22 April 2022
First Online: 6 May 2022
: All methods were performed in accordance with the Declaration of Helsinki. This study involved the secondary analysis of a public dataset which had obtained ethics approval. No ethical approval is needed to access the data used in this study.
: Not applicable.