Pyo, Jung Yoon http://orcid.org/0000-0002-1866-6885
Jung, Seung Min http://orcid.org/0000-0003-3465-2181
Song, Jason Jungsik http://orcid.org/0000-0003-0662-7704
Park, Yong-Beom http://orcid.org/0000-0003-4695-8620
Lee, Sang-Won http://orcid.org/0000-0002-8038-3341
Funding for this research was provided by:
Ministry of Education (2017R1D1A1B03029050)
Article History
Received: 26 January 2019
Accepted: 21 February 2019
First Online: 26 February 2019
Compliance with ethical standards
:
: None.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the institutional Review Board of Severance Hospital (4-2017-0444).
: The patient’s written informed consent was waived by the approving IRB, as this was a retrospective study.