Jung, Euiseok http://orcid.org/0000-0003-0693-5627
Lee, Byong Sop http://orcid.org/0000-0002-1347-4200
Funding for this research was provided by:
Ministry of Health, Welfare and Family Affairs | Korea Centers for Disease Control & Prevention (2016-ER6307-02#, 2016-ER6307-02#)
Ministry of Health, Welfare and Family Affairs | Korea Centers for Disease Control & Prevention
Article History
Received: 1 November 2018
Accepted: 4 October 2019
First Online: 29 October 2019
Competing interests
: The authors declare no competing interests.