Park, Sae-Jin http://orcid.org/0000-0001-8580-3272
Kim, Jung Hoon http://orcid.org/0000-0002-8090-7758
Joo, Ijin http://orcid.org/0000-0002-1341-4072
Han, Joon Koo http://orcid.org/0000-0001-5916-5545
Article History
Received: 24 March 2021
Revised: 11 May 2021
Accepted: 19 May 2021
First Online: 3 June 2021
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: This study was approved by Institutional Review Board of Seoul National University Hospital ((IRB No. 2005-122-1124) and written informed consent was waived. This study was in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Written informed consent was waived by Institutional Review Board of Seoul National University Hospital due to retrospective design of the study.