Funding for this research was provided by:
the College Students' Innovation and Entrepreneurship Training Program of China (201610439269 and 201710439327)
Article History
First Online: 5 March 2019
Compliance with Ethical Standards
:
: All procedures used in this study were approved by the Ethics Committee for Animal Testing of Taishan Medical University, China (approval no. 20170316, 9 March 2017).
: The authors declare that they have no conflict of interest.