Lee, Boram
Seo, Dong-Chul http://orcid.org/0000-0002-1972-6237
Article History
First Online: 4 May 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: This study was exempted from the review of the Institutional Review Board at the authors’ institution because of the public availability of the data.
: Because this was a secondary data analysis of a publicly available dataset, there was no need for informed consent.