Funding for this research was provided by:
Natural Science Foundation of Beijing Municipality (8191002, Z171100000417025)
National Natural Science Foundation of China (21637004, 21920102007)
Received: 18 March 2020
Accepted: 25 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: All animal experiments were approved by the Animal Ethics Committee of the Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences.
: All authors in the paper agree to be published.
: The authors declare that they have no competing interests.