Lee, Yea-Chan
You, Young Kyung
Lee, Jun Hyuk
Moon, Duk Hwan
Lee, Sungsoo
Jeon, Soyoung
Lee, Hye Sun
Lee, Ji-Won http://orcid.org/0000-0002-2666-4249
Funding for this research was provided by:
Ministry of Trade, Industry and Energy (6-2019-0074)
Article History
Accepted: 21 April 2021
First Online: 11 May 2021
Declarations
:
: The authors declare no conflict of interest.
: This study followed the ethical guidelines by the 1975 Declaration of Helsinki. All procedures of the study were approved by the Institutional Review Board of Gangnam Severance Hospital (IRB #3-2020-0224).
: All data from this retrospective observational study were obtained through an anonymized dataset.
: Informed consent for publication was obtained.