Shin, Muheon
Choi, Joon Young
Kim, Sun Wook
Kim, Jung Han
Cho, Young Seok http://orcid.org/0000-0003-1396-4952
Article History
Received: 12 September 2021
Revised: 17 October 2021
Accepted: 20 October 2021
First Online: 30 October 2021
Declarations
:
: Muheon Shin, Joon Young Choi, Sun Wook Kim, Jung Han Kim, and Young Seok Cho declare no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the Helsinki Declaration as revised in 2013 and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.
: This retrospective study was approved by the institutional review board of Samsung Medical Center, and the requirement to obtain informed consent was waived.
: Not applicable.