Received: 30 April 2021
Accepted: 7 October 2021
First Online: 16 October 2021
: The study was conducted according to the guidelines of the Declaration of Helsinki, and approved by the Institutional Review Board (or Ethics Committee) of Seoul National University Bundang Hospital. Patient consent was waived due to the retrospective design with chart review from our routinely collected database.
: Not applicable.
: The authors declare no conflict of interest.