Nam, Bora
Koo, Bon San
Lee, Tae-Han
Shin, Ji-Hui
Kim, Jin-Ju
Lee, Seunghun
Joo, Kyung Bin
Kim, Tae-Hwan
Article History
Received: 5 October 2020
Accepted: 21 December 2020
First Online: 4 February 2021
Ethics approval and consent to participate
: This study was performed according to the guidelines of the Helsinki Declaration and approved by the institutional review board of Hanyang University Hospital (IRB file No. HYUH 2019–09-016). Patient consent to participate was waived as this is a retrospective study.
: Not applicable.
: The authors have no conflicts of interest to declare.