Ha, Sejin
Lee, Jong Jin
Article History
Received: 27 December 2017
Revised: 24 May 2018
Accepted: 27 May 2018
First Online: 28 June 2018
Compliance with Ethical Standards
:
: Sejin Ha and Jong Jin Lee declare that they have no conflicts of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: This study was approved by our Institutional Review Board (IRB No. 2017-1843). The Institutional Review Board waived informed consent.