Funding for this research was provided by:
National Research Foundation of Korea (2017R1D1A1B03034895)
Korea National Institute of Health (HI17C2393, HI15C0006)
Received: 21 August 2017
Accepted: 25 January 2018
First Online: 2 February 2018
: All procedures on the animal studies were complied with the standards for the care and use of experimental animals. The animal experiments were reviewed and approved by the Institutional Animal Care and Use Committees (IACUC) of Biotoxtech Co., Ltd. based on the Animal Protection Act (Enactment May 31, 1991, No. 4379, Revision Aug. 13, 2013, No. 12051).
: Not applicable
: The authors declare that they have no competing interests.
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