Ahn, Seo-Yeon
Jung, Seung-Yeon
Jung, Sung-Hoon
Ahn, Jae-Sook
Lee, Je-Jung
Kim, Hyeoung-Joon
Kang, Sae-Ryung
Han, Yeon-Hee
Kwak, Jae-Yong
Yhim, Ho-Young
Yang, Deok-Hwan
Article History
Received: 18 August 2019
Accepted: 20 November 2019
First Online: 6 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.