Lee, Sang-Won http://orcid.org/0000-0002-8038-3341
Kim, Do Young
Ahn, Sang Hoon
Park, Yong-Beom
Han, Kwang-Hyub
Park, Jun Yong
Funding for this research was provided by:
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)
Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2017R1D1A1B03029050)
Article History
Received: 4 March 2018
Accepted: 5 May 2018
First Online: 12 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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 (IRB) of Severance Hospital (4-2017-0673).
: The patient’s written informed consent was waived by the approving IRB, as this was a retrospective study.