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Authors
Lee, Sae Byul
Ko, Seung Sang
Park, Chan Heun
Nam, Seok Jin
Choi, Jung Eun
Jung, Yong Sik
Park, Woo-Chan
Son, Byung Ho http://orcid.org/0000-0002-6757-0388
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Article History
Received: 10 July 2018
Accepted: 13 July 2018
First Online: 7 August 2018
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 and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was waived because the study was based on retrospective clinical data.
