Kim, Tai Jun
Kang, Sohyun
Jeoung, Jin Wook
Kim, Young Kook
Park, Ki Ho http://orcid.org/0000-0002-8137-8843
Article History
Received: 26 October 2017
Accepted: 6 February 2018
First Online: 14 February 2018
Ethics approval and consent to participate
: This study followed the tenets of the Declaration of Helsinki, and the research protocol was approved by the Institutional Review Board of Seoul National University Hospital (IRB No. 1707–097-870). This study used a retrospective review of patient data; therefore consent was not collected from participants.
: Not applicable
: The authors declare that they have no competing interests.
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