Received: 28 October 2018
Accepted: 26 February 2019
First Online: 14 March 2019
: The rats were supplied by Orient Bio Inc. (Gyeonggi-do, Korea) and were treated using the protocol approved by the Institutional Animal Care and Use Committee at the School of Medicine, The Catholic University of Korea (Approval Number: CUMC-2016-0111-01). Rats were also handled according to the guidelines set by the National Institutes of Health (NIH).
: Not applicable.
: The authors declare that they have no competing interests.
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