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Authors
Lee, Woosung
Han, Hyun Jin
Kim, Junhyung
Choi, Jin Young
Park, Keun Young
Kim, Yong Bae
Chung, Joonho https://orcid.org/0000-0003-2745-446X
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Article History
Received: 28 November 2020
Accepted: 11 January 2021
First Online: 1 February 2021
Compliance with ethical standards
:
: The authors have no relevant financial or non-financial interests to disclose.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of our Institutional Review Board with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: For this type of retrospective study formal consent is not required.
