Um, Soyoun http://orcid.org/0000-0003-0034-114X
Lee, Joo-Hee
Seo, Byoung-Moo http://orcid.org/0000-0002-3798-1987
Funding for this research was provided by:
Korea Health Industry Development Institute (HI12C0763)
Article History
Received: 11 July 2017
Revised: 21 November 2017
Accepted: 1 December 2017
First Online: 9 October 2018
Competing interests
: The authors declare no competing interests.