Choi, Jung Ran
Koh, Sang Baek
Choi, Eunhee
Funding for this research was provided by:
the Basic Science Research Program through the National Research Foundation of Korea (Ministry of Education (2017R1D1A3B03034119).)
the Korea Centers for Disease Control and Prevention (2005-E71013-00, 2006-E71002-00, 2007-E71013-00, 2008-E71004-00, 2009-E71006-00, and 2010-E71003-00)
Medical Research Center Program (2017R1A5A2015369)
Article History
Received: 4 September 2017
Accepted: 3 June 2018
First Online: 19 June 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the Wonju Christian Hospital, according to the Helsinki Declaration. All the participants provided informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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