Funding for this research was provided by:
National Natural Science Foundation of China (81430102, 81774122, 81774030, 81373886 and 81303260)
Received: 28 August 2018
Accepted: 9 October 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: The animal experimental design and protocols used in this study were approved by the Ethics Review Committee for Animal Experimentation at the Beijing University of Chinese Medicine. All the experimental procedures were performed in accordance with the Regulations for the Administration of Affairs Concerning Experimental Animals approved by the State Council of People’s Republic of China.
: Not applicable.
: The authors declare that they have no competing interests.