Nam, Yoonho
Jang, Jinhee http://orcid.org/0000-0002-3386-1208
Park, Sonya Youngju
Choi, Hyun Seok
Jung, So-Lyung
Ahn, Kook-Jin
Kim, Bum-soo
Funding for this research was provided by:
Ministry of Education (NRF-2017R1D1A1B03033829)
Article History
Received: 4 January 2018
Revised: 13 March 2018
Accepted: 9 April 2018
First Online: 22 May 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Bum-soo 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