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Article History

Received: 13 February 2017

Accepted: 26 March 2018

First Online: 19 April 2018

Ethics approval

: All animal treatments and procedures used in the present study were approved by the Institutional Animal Care and Use Committee of the IMAU (License No. SYXK, Inner Mongolia, 2014–0008) with adherence to IMAU guidelines.

: Not applicable.

: The authors declare that they have no competing interests.

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