Funding for this research was provided by:
National Natural Science Foundation of China (81770759, 81460388, 81472414, 81360378)
Natural Science Foundation of Guangxi Province (2015GXNSFBB139008, 2018GXNSFAA138027)
Received: 21 March 2019
Accepted: 29 April 2019
First Online: 14 May 2019
Ethics approval and consent to participate
: Animal experiments conform to internationally accepted standards and have been approved by approved by the Ethics and animal Subject Committee of Guangxi Medical University.
: Not applicable.
: The authors declare that they have no competing interests.