Lee, Kyu-Chong
Yong, Hwan Seok
Lee, Jaewook
Kang, Eun-young
Na, Jin Oh
Article History
Received: 24 December 2017
Revised: 11 May 2018
Accepted: 23 May 2018
First Online: 28 June 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Hwan Seok Yong.
: 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 has significant statistical expertise.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • Retrospective• Case-control study• Performed at one institution