Lee, Young Bok http://orcid.org/0000-0002-8642-2479
Lee, Ji Hyun http://orcid.org/0000-0002-3671-502X
Kang, Min Ji
Kim, Jin-Wou
Yu, Dong Soo
Han, Kyung Do
Park, Yong Gyu
Funding for this research was provided by:
the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP
Article History
Received: 6 June 2017
Accepted: 6 July 2018
First Online: 18 July 2018
Competing Interests
: The authors declare no competing interests.