Funding for this research was provided by:
National Natural Science Foundation of China (21675056)
Scientific and Technological Planning Project of Guangzhou City (201805010002)
Article History
Received: 1 April 2019
Accepted: 1 August 2019
First Online: 15 August 2019
Compliance with ethical standards
: All animal procedures were performed in accordance with the National Institutes of Health (NIH) Guidelines for the Care and Use of Laboratory Animals of South China Normal University, and the experiments were approved by the Animal Ethics Committee of South China Normal University. The author(s) declare that they have no competing interests.