Yoo, Jeongin http://orcid.org/0000-0002-3267-2544
Kim, Jung Hoon http://orcid.org/0000-0002-8090-7758
Bae, Jae Seok http://orcid.org/0000-0003-2768-7917
Kang, Hyo-Jin http://orcid.org/0000-0002-6771-2112
Article History
Received: 18 March 2021
Revised: 13 April 2021
Accepted: 21 April 2021
First Online: 30 April 2021
Declarations
:
: All authors confirm that no disclosure of potential conflicts of interest.
: This study was approved by Institutional Review Board of Seoul National University Hospital (IRB No. 1807-043-957) 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.