Funding for this research was provided by:
China National Natural Science Foundation (81571324)
the Science and Technology Project of Liao Ning Province, China (2017225011)
Article History
Received: 8 July 2019
Accepted: 29 November 2019
First Online: 13 January 2020
Compliance with Ethical Standards
: The animal experiments were performed according to protocols approved by the Ethical Committee of Animal Research at the China Medical University, and all efforts were made to minimize the number of animals used and their suffering.
: The authors declare that they have no conflict of interest.