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Article History

Received: 12 May 2018

Accepted: 18 September 2018

First Online: 30 October 2018

Ethics approval and consent to participate

: All animal experiments were performed in accordance with the National Institutes of Health guidelines for the use of experimental animals. All animal care and experimental procedures used in the present study were approved by Beijing University of Traditional Chinese Medicine.

: Not applicable.

: The authors declare that they have no competing interests.

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