Funding for this research was provided by:
National Research Foundation of Korea (2018R1A2B6004658)
Global Ph.D. Fellowship (2015H1A2A1031721)
Article History
Received: 27 February 2020
Accepted: 2 January 2021
First Online: 26 January 2021
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 review board (IRB) of Sungkyunkwan University, Seoul, South Korea.
: Informed consent was obtained from all individual participants included in the study.