Han, Kyu-Tae
Choi, Dong-Woo
Kim, Seungju
Article History
Received: 18 June 2021
Accepted: 1 October 2021
First Online: 21 October 2021
Declarations
:
: We used secondary data, and personal information was encrypted and unidentifiable, so we were waived from ethical review and approval for this study. The local ethics committee has ruled that formal ethical approval is not required in this case. This study was waiver from the Institutional Review Board of The Catholic University of Korea (IRB number: MC21ENSI0043).
: N/A
: All other authors report no conflicts of interest.