Yoo, Juyoung https://orcid.org/0000-0002-9546-9682
Ahn, Sung Soo https://orcid.org/0000-0002-9002-9880
Jung, Seung Min https://orcid.org/0000-0003-3465-2181
Song, Jason Jungsik https://orcid.org/0000-0003-0662-7704
Park, Yong-Beom https://orcid.org/0000-0003-4695-8620
Lee, Sang-Won https://orcid.org/0000-0002-8038-3341
Funding for this research was provided by:
Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2017R1D1A1B03029050)
a grant from the Korea Health Technology R&D Project through the Korea Health Industry Development Institute, funded by the Ministry of Health and Welfare, Republic of Korea (HI14C1324)
Article History
Received: 6 February 2019
Accepted: 12 March 2019
First Online: 18 March 2019
Compliance with ethical standards
:
: All the authors declare that they have no conflict of interest.
: All the 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 (IRB) of Severance Hospital (4-2017-0673), and the patient’s written informed consent was waived by the approving IRB, as this was a retrospective study.