Yun, Seok Tae
Kim, Byung Kag
Ahn, Byung Moon
Oh, Kwang Jun
Article History
Received: 5 July 2017
Accepted: 9 February 2018
First Online: 22 February 2018
Compliance with Ethical standards
:
: The authors declare no conflict of interest in relation to the preparation of current study.
: The design and protocol of this retrospective case-controlled comparative study with a propensity score matching analysis were approved by our facility’s institutional review board (ID-Number KUH 1060139).
: All patients provided consent for their medical records to be used in a scientific study.