Kim, Young Saing
Kim, Kyung
Kwon, Ghee-Young
Lee, Su Jin
Park, Se Hoon http://orcid.org/0000-0001-5084-9326
Article History
Received: 16 May 2018
Accepted: 20 July 2018
First Online: 31 July 2018
Ethics approval and consent to participate
: The current study was reviewed and approved by the Institutional Review Board of Samsung Medical Center. All participants provided written consent to participate in this study.
: Not applicable
: The authors declare that they have no competing interests.
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