Funding for this research was provided by:
National Natural Science Foundation of China (81371117)
Natural Science Foundation of Beijing Municipality (7152155)
Natural Science Foundation of Beijing Municipality (7192230)
Article History
Received: 6 January 2019
Revised: 27 March 2019
Accepted: 23 May 2019
First Online: 13 June 2019
Ethics approval and consent to participate
: The experimental procedures in this experiment to animals were under an institutionally approved protocols of animal research at Peking University (LA2018017).
: Not applicable.
: The authors declare that they have no competing interests.