An, Young-Sil
Park, Sunghoon
Jung, Ju-Yang
Suh, Chang-Hee
Kim, Hyoun-Ah http://orcid.org/0000-0003-2609-3367
Article History
Received: 13 August 2018
Accepted: 2 January 2019
First Online: 15 January 2019
Ethics approval and consent to participate
: This study was approved by the Ajou University Hospital Institutional Review Board (IRB No. AJIRB-MED-MDB-18-041), and informed consent was waved because of the study nature with retrospective study.
: Not applicable
: The authors declare that they have no competing interests.
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