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Authors
Han, Gwan Hee
Chay, Doo Byung
Nam, Sanghee
Cho, Hanbyoul https://orcid.org/0000-0002-6177-1648
Chung, Joon-Yong
Kim, Jae-Hoon
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Article History
Received: 15 July 2019
Accepted: 27 November 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: This study was approved by the institutional review board (IRB) of Gangnam Severance Hospital. All patients provided their written informed consent to the use and publish their information.
: Not applicable
: The authors declare that they have no competing interests.
