Chun, Junwoo
Kim, Seong-Joon
Article History
Received: 14 July 2020
Accepted: 8 October 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: This study received ethical approval from the Institutional Review Board of the Seoul National University Hospital. The Ethics Committee study protocol number was 1802–082-923 and the IRB granted a waiver of consent for this retrospective chart review study.
: Not applicable.
: No conflicts of interest and have no proprietary interest in any of the materials mentioned in this article.