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Authors
Park, Joung Ha
Ryu, Seung Hee
Lee, Jeong Young
Kim, Hyeon Jeong
Kwak, Sun Hee
Jung, Jiwon
Lee, Jina
Sung, Heungsup
Kim, Sung-Han http://orcid.org/0000-0002-6596-8253
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Funding
Funding for this research was provided by:
Ministry of Health and Welfare (grant no. HI16C0272)
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Article History
Received: 29 January 2019
Accepted: 19 May 2019
First Online: 29 May 2019
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of Asan Medical Center. The need for informed consent was waived because of the nature of this study.
: All the authors gave final approval of the version to be published.
: The authors declare that they have no competing interests.
