Kim, Jong Hun
Choi, Won Suk
Song, Joon Young
Yoon, Young Kyung
Kim, Min Ja
Sohn, Jang Wook http://orcid.org/0000-0003-4792-0456
Article History
Received: 26 June 2020
Accepted: 12 February 2021
First Online: 27 February 2021
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Korea University Ansan Hospital (IRB number: 2020AS0083). As this was an observational study, informed consent was not required due to the nature of the study by the Institutional Review Board of Korea University Ansan Hospital.
: Not applicable.
: The authors do not have any conflicts to disclose.