Lee, Ji Ye
Bjørnerud, Atle
Park, Ji Eun http://orcid.org/0000-0002-4419-4682
Lee, Bo Eun
Kim, Joo Hyun
Kim, Ho Sung
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2017R1A2A2A05001217)
National Research Foundation of Korea (NRF-2017R1C1B2007258)
Article History
Received: 28 August 2018
Revised: 10 January 2019
Accepted: 11 February 2019
First Online: 15 March 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Ho Sung Kim.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective• cross-sectional study• performed at one institution