Funding for this research was provided by:
National Natural Science Foundation of China (81772070 & 31371181)
Received: 20 April 2018
Accepted: 27 August 2018
First Online: 8 October 2018
Ethics approval and consent to participate
: The rats were maintained in accordance with the Guidelines for Care and Use of Laboratory Animals [National Institutes of Health (NIH) Publication No. 80-23, Revised in 1996]. This study was approved by Institutional Animal Care and Use Committee (IACUC) of Fourth Military Medical University (No. 20170304).
: Not applicable
: The authors declare that they have no competing interests.