Choi, Eun-Mi
Mun, So-Jung
Chung, Won-Gyun
Noh, Hie-Jin
Article History
Received: 24 November 2018
Accepted: 30 April 2019
First Online: 10 May 2019
Ethics approval and consent to participate
: Ethical approval was obtained by the Institutional Review Board, Yonsei University Wonju College of Medicine (republic of korea), Approval number YWDR-15-2-006. Informed consent was received from all participants through written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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