Funding for this research was provided by:
National Natural Science Foundation of China (91842305, 91442114, 81771686)
National Basic Research Program of China (2013CB944901)
Received: 7 March 2019
Revised: 18 June 2019
Accepted: 20 June 2019
First Online: 16 July 2019
Ethics approval and consent to participate
: All the procedures followed the guidelines of the Institutional Animal Care and China Association For Ethical Studies (CAES).
: Not applicable. This manuscript does not contain any individual person’s data.
: The authors declare that they have no competing interests.