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Authors
Kim, Myung Joo
Choe, Seung-Ah
Kim, Mi Kyoung
Yun, Bo Seong
Seong, Seok Ju
Kim, You Shin https://orcid.org/0000-0002-5775-7464
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Article History
Received: 19 April 2019
Accepted: 28 June 2019
First Online: 22 August 2019
Compliance with ethical standards
:
: The authors report no conflicts of interest.
: All the procedures performed in this study were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
