Kim, Sungil http://orcid.org/0000-0003-3756-2800
Kim, Jeongtae
Joung, Yeun-Ho
Ahn, Sanghoon
Choi, Jiyeon http://orcid.org/0000-0002-0522-261X
Koo, Chiwan http://orcid.org/0000-0003-2880-1670
Funding for this research was provided by:
Ministry of Trade, Industry and Energy (10053877)
Ministry of Science ICT and Future Planning (2018R1C1B5044079)
Article History
Received: 27 July 2019
Accepted: 30 September 2019
First Online: 8 October 2019
Competing interests
: The authors declare that they have no competing interests.