Kim, Hee Ryung http://orcid.org/0000-0002-3356-713X
Xu, Jun
Maeda, Shoji http://orcid.org/0000-0002-7762-9793
Duc, Nguyen Minh http://orcid.org/0000-0003-2945-9707
Ahn, Donghoon http://orcid.org/0000-0002-6868-9161
Du, Yang http://orcid.org/0000-0001-8107-6397
Chung, Ka Young http://orcid.org/0000-0001-9038-9571
Funding for this research was provided by:
Ministry of Science, ICT and Future Planning (NFR-2018R1A2B6001554, NRF-2019R1A5A2027340)
Article History
Received: 4 February 2020
Accepted: 4 June 2020
First Online: 22 June 2020
Competing interests
: The authors declare no competing interests.