Kim, Hyo Jae
Lee, Sang-Ahm http://orcid.org/0000-0002-6743-0545
Article History
Received: 13 October 2019
Revised: 21 January 2020
Accepted: 28 January 2020
First Online: 7 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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.