Hur, Kyung Jae http://orcid.org/0000-0002-4080-5466
Moon, Hyong Woo http://orcid.org/0000-0002-9352-3411
Kang, Sung Min http://orcid.org/0000-0003-1299-8499
Kim, Kang Sup http://orcid.org/0000-0002-9534-7829
Choi, Yong Sun http://orcid.org/0000-0003-2903-0812
Cho, Hyukjin http://orcid.org/0000-0003-2599-2950
Article History
Received: 18 October 2020
Accepted: 4 May 2021
First Online: 31 May 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Catholic University of Korea Institutional Review Board (IRB) (approval number: KC18RESI0759).
: Not applicable, due to its retrospective study design.