Park, Ji Eun
Lee, Ji Ye
Kim, Ho Sung http://orcid.org/0000-0002-9477-7421
Oh, Joo-Young
Jung, Seung Chai
Kim, Sang Joon
Keupp, Jochen
Oh, Minyoung
Kim, Jae Seung
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2017R1C1B2007258)
Ministry of Health and Welfare (1720030)
Article History
Received: 4 October 2017
Revised: 9 January 2018
Accepted: 17 January 2018
First Online: 27 February 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Sang Joon 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 of Asan Medical Center approved this study (2017-0528).
: • retrospective• cross-sectional study• performed at one institution