Funding for this research was provided by:
Chosun University (2017)
Received: 17 October 2018
Accepted: 4 January 2019
First Online: 15 January 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Chosun University Hospital (Chosun 2018–05-015). An informed consent was obtained from all participants.
: Written informed consent was obtained from all participants for the publication of this report.
: The authors declare that they have no competing interests.
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