Funding for this research was provided by:
National Natural Science Foundation of China (81702130)
Fundamental Research Funds for the Central Universities (1191329730)
Received: 5 September 2018
Accepted: 15 January 2019
First Online: 25 January 2019
Ethics approval and consent to participate
: The operative procedures and animal care obtained ethics approval and consent of the ethical principles of the Second Affiliated Hospital of Xi’an Jiaotong University on animal experimentation.
: Not applicable.
: The authors declare that they have no competing interests.
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