Chung, Changho
Lee, Jong Hun
Article History
Received: 30 December 2020
Accepted: 16 March 2021
First Online: 13 April 2021
Declarations
:
: The authors have no conflicts of interest to disclose.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Institutional Review Boards (IRBs), which approved the study (IRB No. 2017-08-007-001) and the 1964 Helsinki declaration with its later amendments or comparable ethical standards. Written consent was obtained from all participants.