Kim, Kang Sup
Kim, Sang Hoon
Cho, Hyuk Jin
Sur, Hong Jin
Choi, Yong Sun
Article History
Received: 17 August 2021
Accepted: 16 February 2022
First Online: 21 February 2022
Declarations
:
: This study was reviewed and approved by the Institutional Review Board and Medical Ethics Committee of the Catholic University of Korea (approval number: OC21RASI0074). The requirement for informed consent was waived because of the retrospective nature of this study. The Institutional Review Board and Medical Ethics Committee of the Catholic University of Korea approved waiving the need of informed consent.
: Not applicable.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.