Kim, Sung-Jae
Choi, Chong-Hyuk
Choi, Yun-Rak
Lee, Wonyong
Jung, Woo-Seok
Chun, Yong-Min
Article History
Received: 3 July 2017
Accepted: 29 March 2018
First Online: 11 April 2018
Ethics approval and consent to participate
: Our institutional review board approved this study and waived the informed consent requirement. The IRB number which was issued in our institute is 4-2016-0209. The name, chairperson of institutional Review Board who approved this study, is Seung Min Kim, MD, PhD.
: The authors declare that they have no competing interests.
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