Lim, Sung Yoon
Kwack, Won Gun
Kim, Youlim
Lee, Yeon Joo
Park, Jong Sun
Yoon, Ho Il
Lee, Jae Ho
Lee, Choon-Taek
Cho, Young-Jae
Article History
Received: 16 February 2018
Accepted: 30 August 2018
First Online: 30 September 2018
Ethics approval and consent to participate
: This retrospective cohort study was approved by the Institutional Review Board of a single tertiary, teaching, academic hospital (Approval Number: B-1709-423-102). The need for informed consent was waived due to the retrospective nature of the study involving chart review only.
: Not applicable.
: The authors declare that they have no competing interests.
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