Moon, Bong Ju
Kim, Doyoung
Shin, Dong Ah
Yi, Seong
Kim, Keung Nyun
Yoon, Do Heum
Ha, Yoon http://orcid.org/0000-0003-1681-9734
Article History
Received: 16 May 2018
Revised: 24 November 2018
Accepted: 10 December 2018
First Online: 4 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Approval for the current study was granted by the Institutional Review Board of our institute (approval number, 4-2012-0686).
: Informed consent was obtained from all individual participants included in the study.