Funding for this research was provided by:
2017 Inje University Busan Paik Hospital Research Grant
Article History
Received: 11 July 2017
Accepted: 18 September 2017
First Online: 11 October 2017
Compliance with ethical standards
:
: This work was supported by the 2016 Inje University Research Grant.
: All procedures performed in studies involving human participants were 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.
: Informed consent was obtained from all individual participants included in the study.