Kang, Nam Lyong https://orcid.org/0000-0003-3615-0492
Article History
Received: 2 August 2021
Accepted: 6 September 2021
First Online: 16 September 2021
Declarations
:
: Ethics approval was not required as this study was performed using the public-use releases of a nationally representative cross-sectional survey. This article does not contain any studies with human or animal participants performed by the author.
: Not applicable.
: The author declares that he has no competing interests.