Jeong, Min-Jae
Kwon, Hyunwook
Ko, Gi-Young
Gwon, Dong Il
Kim, Min-Ju
Han, Youngjin
Kwon, Tae-Won
Cho, Yong-Pil http://orcid.org/0000-0002-0639-451X
Article History
Received: 11 March 2019
Revised: 7 May 2019
Accepted: 5 June 2019
First Online: 27 June 2019
Compliance with ethical standards
:
: The scientific guarantor of this study is Yong-Pil Cho.
: 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.
: One of the authors (Min-Ju Kim) has significant statistical expertise.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained (2018–0288).
: • retrospective• observational• performed at one institution