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Authors
Chae, Heejung https://orcid.org/0000-0003-3547-3521
Ryu, Min-Hee
Ma, Jungeun
Beck, Moyeol
Kang, Yoon-Koo
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Article History
Received: 21 August 2019
Accepted: 23 September 2019
First Online: 18 October 2019
Compliance with ethical standards
:
: All Author have no conflict of interest to declare.
: 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.
: Formal consent is not required for its nature of retrospective analysis.
