Lee, Won Jae
Cho, Kyung-Rae
Choi, Jung-Won
Kong, Doo-Sik
Seol, Ho Jun
Nam, Do-Hyun
Kim, Yoon-Duck
Woo, Kyung In
Lee, Jung-Il https://orcid.org/0000-0001-8143-5513
Article History
Received: 19 July 2020
Accepted: 7 September 2020
First Online: 15 September 2020
Compliance with ethical standards
:
: The authors declare that they have 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 (Samsung Medical Center Institutional Review Board) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.
: Not applicable.