Na, Hyunjong
Lee, Chungyong http://orcid.org/0000-0001-7469-906X
Funding for this research was provided by:
LG Electronics Co. Ltd. (2013- 11-2165)
Article History
Received: 6 March 2018
Accepted: 19 June 2018
First Online: 9 July 2018
Competing interests
: The authors declare that they have no competing interests.
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