Song, Sung Eun
Park, Eun Kyung
Cho, Kyu Ran
Seo, Bo Kyoung
Woo, Ok Hee
Jung, Seung Pil
Cho, Sung Bum
Article History
Received: 2 March 2017
Revised: 2 May 2017
Accepted: 12 May 2017
First Online: 7 June 2017
Compliance with ethical standards
:
: The scientific guarantor of this publication is Kyu Ran 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.
: The authors state that this work has not received any funding.
: No complex statistical methods were necessary for this paper.
: Written informed consent was obtained from all subjects (patients) in this study.
: Institutional Review Board approval was obtained.
: • prospective• observational• performed at one institution