Kong, S. H.
Kim, J. H.
Park, Y. J.
Lee, J. H.
Hong, A. R.
Shin, C. S.
Cho, N. H.
Article History
Received: 27 April 2019
Accepted: 16 August 2019
First Online: 29 November 2019
Compliance with ethical standards
:
: None.
: Informed consent was obtained from all individual participants included in the study.
: 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.