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Authors
Cho, Yoon Young
Kim, Soo Kyoung
Jung, Jung Hwa
Hahm, Jong Ryeal
Kim, Tae Hyuk
Chung, Jae Hoon
Kim, Sun Wook
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Funding
Funding for this research was provided by:
the Institute of Health Sciences (IHS GNU-2017-04)
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Article History
Received: 30 July 2018
Accepted: 29 October 2018
First Online: 23 November 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 research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The study was approved by the institutional research committee but informed consent was not mandatory due to our retrospective design.
