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Authors
Park, Ga Eun
Ki, Hyun Kyun
Ko, Jae-Hoon
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Article History
Received: 12 January 2021
Accepted: 19 April 2021
First Online: 4 May 2021
Declarations
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: This study was approved by the Institutional Review Board (IRB) of Konkuk university of medical center(#2020–04-040). The study was performed in accordance with the guidelines followed as per the Declaration of Helsinki. Informed consent was waived by the IRB of Konkuk university of medical center since the electronic medical record was reviewed retrospectively with de-personalized identification number.
: Consent for publication and sharing our data was obtained in association with consent to participate.
: All authors declare that they have no competing interest.
