Lim, Yeong-Min
Uhm, Jae-Sun
Kim, Min
Kim, In-Soo
Jin, Moo-Nyun
Yu, Hee Tae
Kim, Tae-Hoon
Lee, Hye-Jeong
Kim, Young-Jin
Joung, Boyoung
Pak, Hui-Nam
Lee, Moon-Hyoung
Article History
Received: 16 May 2021
Accepted: 8 July 2021
First Online: 19 July 2021
Ethics approval and consent to participate
: The study design was approved by the Institutional Review Board of the Yonsei University Health System (Approval Number: 4–2019-0661) and was conducted in accordance with the guidelines stipulated by the Declaration of Helsinki. The institutional review board waived both the need for the acquisition of informed consent from the patients to be included in the analysis and the need for review by a critical event committee because of the study’s retrospective nature and the absence of data that could be used to identify patients in this study.
: Not applicable.
: The authors declare that they have no competing interests.