Kim, Eunsung http://orcid.org/0000-0002-1224-5254
Lee, Han-Na http://orcid.org/0000-0001-5604-1811
Kim, Yun-Kyung http://orcid.org/0000-0003-0393-7264
Kim, Geun-Tae http://orcid.org/0000-0001-9765-3558
So, Min Wook http://orcid.org/0000-0001-5027-0410
Ahn, Eunyoung http://orcid.org/0000-0003-3188-7647
Sohn, Dong Hyun http://orcid.org/0000-0002-9572-0611
Lee, Seung-Geun http://orcid.org/0000-0002-5205-3978
Article History
Received: 15 November 2018
Accepted: 8 January 2019
First Online: 17 January 2019
Compliance with ethical standards
:
: The authors have declared no conflicts of interest.
: The present study was approved by the Research and Ethical Review Board of Pusan National University Hospital (IRB no. H-1402-005-014). All study participants provided written informed consent in accordance with the principles of the Declaration of Helsinki.