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Authors
Lee, Hye Ah
Park, Bo Hyun
Park, Eun Ae
Cho, Su Jin
Kim, Hae Soon
Park, Hyesook http://orcid.org/0000-0002-9359-6522
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Funding
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2014R1A1A3051023)
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Article History
Received: 28 January 2018
Accepted: 30 August 2018
First Online: 6 September 2018
Ethics approval and consent to participate
: Written informed consent for participation in the study was obtained from the parents or guardians of all of the study participants. The study protocol was approved by the Institutional Review Board of Ewha Womans University Hospital (approval No. EUMC 2015–04-048).
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
