Lee, Wonyong
Kim, Sung-Jae
Choi, Chong-Hyuk
Choi, Yun-Rak
Chun, Yong-Min
Article History
Received: 23 March 2018
Accepted: 12 June 2018
First Online: 19 June 2018
Ethics approval and consent to participate
: Severance Hospital institutional review board approved this study and waived the informed consent requirement. The IRB number which was issued in our institute is 4-2016-1085. The name, chairperson of institutional Review Board who approved this study, is Seung Min Kim, MD, PhD.
: Not applicable
: The authors declare that they have no competing interests.
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