Park, Jun Ik
Lim, Ki Moo https://orcid.org/0000-0001-6729-8129
Funding for this research was provided by:
National Research Foundation of Korea (2016R1D1A1B0101440)
National Research Foundation of Korea (NRF-2011-0020576)
Institute for Information and communications Technology Promotion (IITP-2017-2014-0-00639)
Article History
Received: 26 February 2019
Accepted: 27 May 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.