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Authors
Kim, Nahyun
Kim, Mi Ja
Hughes, Tonda L.
Kwak, Hyeweon
Kong, In Deok https://orcid.org/0000-0002-9821-6103
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Funding
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2012R1A1A4A01012884)
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Article History
Received: 26 July 2019
Accepted: 4 June 2020
First Online: 30 June 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Yonsei University Wonju College of Medicine with reference number of YWMR-12-0-015. We obtained written informed consent from each participant and his legal guardian. Participation was voluntary, and Participants could withdraw at any time from the study.
: Not applicable.
: The authors declare no conflict of interest.
