Lee, Song Jae http://orcid.org/0000-0003-0439-1427
Song, Chang Myeon http://orcid.org/0000-0001-5267-0135
Ji, Yong Bae http://orcid.org/0000-0002-0182-7865
Choi, Yun Young http://orcid.org/0000-0002-7535-4343
Sohn, Young Seok http://orcid.org/0000-0003-2581-2622
Park, Jung Hwan http://orcid.org/0000-0003-3941-4836
Kim, Dong Sun http://orcid.org/0000-0002-8033-8057
Tae, Kyung http://orcid.org/0000-0002-0382-2072
Article History
Received: 11 December 2020
Accepted: 4 May 2021
First Online: 10 May 2021
Declarations
:
: 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 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable
: Not applicable
: The authors declare no competing interests.