Funding for this research was provided by:
Natural Science Foundation of Guangdong Province (2016A030311050)
National Natural Science Foundation of China (81570751 & 81170778)
Received: 28 January 2020
Accepted: 31 July 2020
First Online: 24 August 2020
: This study protocol was reviewed and approved by the Animal Care and Use Committee of Guangzhou Medical University (Guangzhou, China).
: Not applicable.
: The authors declare that they have no competing interests.