Article History
Received: 13 April 2020
Accepted: 24 November 2020
First Online: 30 November 2020
Ethics approval and consent to participate
: The Institutional Review Board of Ajou University Hospital approved this study (AJIRB-MED-MDB-20-084) and waived the requirement for written informed consent based on the retrospective study design.
: Not applicable.
: None declared.