Yoon, Sang Eun
Eun, Yeonghee
Huh, Kyungmin
Chung, Chi Ryang
Yoo, In Young
Cho, Junhun
Cho, Duck
Ko, Young Hyeh
Park, Silvia
Kim, Won Seog
Kim, Seok Jin
Article History
Received: 23 January 2020
Accepted: 12 May 2020
First Online: 21 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.Ethical approvalAll 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 participants included in the study.Financial disclosureThe authors have no relevant financial interests that relate to this study to declare.