Oh, Jong-Chi http://orcid.org/0000-0002-3469-9257
Funding for this research was provided by:
Ministry of Science ICT and Future Planning (NRF-2017R1C1B5017285)
Article History
Received: 11 August 2020
Accepted: 27 January 2021
First Online: 10 February 2021
Compliance with Ethical Standards
:
: The author declares that there are no competing interests.
: All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committees and the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All the participants provided informed consent to participate in this study. The protocol was approved by the ethics committee of Institutional Review Board of Cheongju University (1041107-202004-HR-009-01).