Funding for this research was provided by:
Ministry of Health and Welfare (HI15C2842, HI15C1685)
Received: 3 July 2018
Accepted: 29 November 2018
First Online: 12 December 2018
Ethics approval and consent to participate
: All the animal experiments were approved by the Konkuk University Institutional Animal Care and Use Committee (IACUC).
: Not applicable.
: The authors have declared no conflicting interests.
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