Kim, Myung-Gyu https://orcid.org/0000-0001-8807-2452
Yang, Jihyun
Ko, Yoon Sook
Lee, Hee Young
Oh, Se Won
Cho, Won Yong
Jo, Sang-Kyung
Funding for this research was provided by:
Korea University Grant
Article History
Received: 11 July 2019
Accepted: 13 November 2019
First Online: 5 December 2019
Competing interests
: The authors declare no competing interests.