Jang, Sung Ho
Kwon, Hyeok Gyu http://orcid.org/0000-0002-6654-302X
Funding for this research was provided by:
Catholic University of Pusan
Article History
Received: 1 November 2018
Accepted: 24 December 2018
First Online: 2 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The authors declare that they acted in accordance with ethical standards laid down in the 1964 Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.