Funding for this research was provided by:
National Research Foundation of Korea (NRF-2020R1C1C1004851)
Article History
Received: 5 February 2021
Accepted: 4 March 2021
First Online: 12 March 2021
Declarations
:
: Ethical approval for this study was obtained from Hanyang University Guri Hospital institutional review board (2020-06-021).
: Not applicable
: The authors declare that they have no competing interests.