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Authors
Park, Chun Il
Kim, Hae Won
Jeon, Sumoa
Hwang, Eun Hee
Kang, Jee In
Kim, Se Joo
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Article History
Received: 30 December 2019
Accepted: 17 July 2020
First Online: 3 August 2020
Compliance with ethical standards
: The study was approved by the institutional review board of the Severance Hospital, and written informed consent was obtained from all participants prior to participation.
: The funding source did not give any influences on the study design, data collection, analysis and interpretation of data, the writing of the report, and the decision to submit the article for publication
: The authors declared that they have no conflicts of interest.
