Funding for this research was provided by:
Ministry of Science, ICT and Future Planning (2017R1E1A1A01077630)
Ministry of Science and ICT (No. 2018R1A5A1060031)
Institute for Information and Communications Technology Planning and Evaluation (No. 2019-0-01267)
Article History
Received: 17 August 2020
Accepted: 14 April 2021
First Online: 29 April 2021
Declarations
:
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.