Hwang, Nu Ri
Kim, Jin Kyu http://orcid.org/0000-0002-3502-7604
Article History
Received: 24 June 2018
Accepted: 19 November 2018
First Online: 30 November 2018
Ethics approval and consent to participate
: Data collection was approved by the Institutional Review Board of Chonbuk National University Hospital. Informed consent for this retrospective chart review was waived by the Institutional Review Board.
: Not applicable.
: The authors declare that they have no competing interests.
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