Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (No. SKLNMBZ201403, No. 2014ZX09508007)
Received: 18 December 2017
Accepted: 11 March 2018
First Online: 20 March 2018
Ethics approval and consent to participate
: All healthy peripheral blood was collected under a protocol approved by the Ethics Committee of China Pharmaceutical University, following written informed consent. All animal studies were approved by the Institutional Animal Care and Use Committee of China Pharmaceutical University (approval no. SYXK2012-0035).
: Not applicable.
: The authors declare that they have no competing interests.
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