Kim, Jihye
Choi, Kihwan
Chung, Doo Soo
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2016R1A2B2011878, NRF-2017M2A8A5014710, NRF-20)
Article History
Received: 17 August 2018
Revised: 28 November 2018
Accepted: 3 December 2018
First Online: 18 December 2018
Compliance with ethical standards
: This research did not involve human participants or animals.
: The authors declare that they have no conflict of interest.