Received: 19 October 2021
Accepted: 16 March 2022
First Online: 10 April 2022
: All methods in this research were conducted in accordance with relevant guidelines and regulations (e.g., the Declaration of Helsinki). This research was reviewed and approved by the Institutional Review Board (IRB) of the National Medical Centre in South Korea (reference number H-1909-106-003) and exempted by the IRB for informed consent.
: Not applicable.
: The authors declare that they have no competing interests