Lee, Hye Ah
Han, Hyejin
Lee, Seonhwa
Park, Bomi
Park, Bo Hyun
Lee, Won Kyung
Park, Ju Ok
Hong, Sungok
Kim, Young Taek
Park, Hyesook http://orcid.org/0000-0002-9359-6522
Funding for this research was provided by:
Korea Centers for Disease Control & Prevention (2016-E33004-00)
Article History
Received: 12 December 2017
Accepted: 2 March 2018
First Online: 13 March 2018
Ethics approval and consent to participate
: Not applicable. This study was conducted using secondary data.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.