Woo, Chang Gok
Son, Seung-Myoung http://orcid.org/0000-0002-1646-4649
Article History
Received: 7 March 2018
Accepted: 28 May 2018
First Online: 2 June 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Chungbuk National University Hospital (2018-02-016).
: The authors declare that they have no competing interests.
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