Chung, Kyu Sung
Lee, Min Ki
Kim, Jung Hoon
Kim, Jin Goo
Ha, Jeong Ku https://orcid.org/0000-0002-2602-820X
Article History
Received: 15 July 2020
Accepted: 11 January 2021
First Online: 27 February 2021
Compliance with ethical standards
:
: No potential conflict of interest relevant to this article was reported.
: The study protocol was reviewed and approved by the Institutional Review Board (IRB) of our institute (IRB no. PAIK-2018-08-005).
: The Institutional Review Board (IRB) waived the requirements of informed consent as all data were anonymous. Therefore, this study was performed without prior informed consent.