Jeong, Su-min
Choi, Seulggie
Kim, Kyuwoong
Kim, Sung Min
Kim, Sujin
Park, Sang Min
Article History
Received: 12 November 2017
Accepted: 13 September 2018
First Online: 24 September 2018
Ethics approval and consent to participate
: This study was approved by Seoul National University Hospital’s Institutional Review Board (IRB number: 1508–079-695) and consent to participate is not applicable since all data was derived from the publicly available KLoSA database [CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.
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