Jung, Jae Hoon http://orcid.org/0000-0001-5594-2976
Kim, Du Hwan http://orcid.org/0000-0002-9980-8549
Yi, Jaehyuck http://orcid.org/0000-0001-5231-3752
Kim, Du-Han http://orcid.org/0000-0002-6636-9340
Cho, Chul-Hyun http://orcid.org/0000-0003-0252-8741
Funding for this research was provided by:
Bisa Research Grant of Keimyung University (2016)
Article History
Received: 21 November 2018
Accepted: 29 December 2018
First Online: 7 January 2019
Compliance with ethical standards
:
: Jae Hoon Jung declares that he has no conflict of interest. Du Hwan Kim declares that he has no conflict of interest. Jaehyuck Yi declares that he has no conflict of interest. Du-Han Kim declares that he has no conflict of interest. Chul-Hyun Cho declares that he has no conflict of interest.
: This study was performed 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. The authors obtained the approval of Keimyung University Dongsan Medical Center institutional review board (IRB number 2016-07-032) with exemption of Informed consent for this study.