Kim, Yong Hee
Kim, Myung-Joon
Shin, Hyun Joo
Yoon, Haesung
Han, Seok Joo
Koh, Hong
Roh, Yun Ho
Lee, Mi-Jung http://orcid.org/0000-0003-3244-9171
Article History
Received: 12 October 2017
Revised: 8 January 2018
Accepted: 12 January 2018
First Online: 23 February 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Eun Kyung 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.
: As an author and an expert in statistics, Yun Ho Roh contributed statistical analyses of this manuscript.
: Written informed consent was waived by the Institutional Review Board for this retrospective study.
: Institutional Review Board approval was obtained.
: • retrospective• case-control• performed at one institution