Son, Shin-Ah http://orcid.org/0000-0003-3317-6857
Jung, Hanna http://orcid.org/0000-0002-2070-3980
Cho, Joon Yong http://orcid.org/0000-0003-3855-4191
Article History
Received: 21 July 2020
Accepted: 22 October 2020
First Online: 3 November 2020
Ethics approval and consent to participate
: The institutional review board (IRB) of Kyungpook National University Hospital approved this retrospective study and waived the requirement for individual patient consent (IRB approval No. 2019–10-051).
: Not applicable.
: The authors declare that they have no conflict of interest.