Min, Ji Hye
Kang, Tae Wook
Cha, Dong Ik
Kim, Seong Hyun
Shin, Kyung Sook
Lee, Jeong Eun
Jang, Kee-Taek
Ahn, Soo Hyun
Article History
Received: 2 April 2018
Revised: 19 May 2018
Accepted: 7 June 2018
First Online: 25 June 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Won Jae Lee.
: 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 (Soo Hyun Ahn) has significant statistical expertise.
: Written informed consent was waived by the institutional review board.
: Institutional review board approval was obtained.
: • Retrospective• Prognostic study• Performed at one institution