Funding for this research was provided by:
National Research Foundation of Korea (NRF2021R1F1A105102111)
Article History
Received: 19 October 2021
Accepted: 19 February 2022
First Online: 11 March 2022
Declarations
:
: Not applicable. The analysis was based on the use of publicly available aggregated data.
: Not applicable.
: The authors declare that they have no competing interests.