Hur, Ji-Hyun https://orcid.org/0000-0002-3927-5605
Kim, Deok-kee
Funding for this research was provided by:
National Research Foundation of Korea (2016R1D1A1B04930601)
Ministry of Trade, Industry and Energy (10080560, 10080560)
Article History
Received: 14 August 2018
Accepted: 12 November 2018
First Online: 22 January 2019
Competing Interests
: The authors declare no competing interests.