Funding for this research was provided by:
National Natural Science Foundation of China (81571824)
Text and Data Mining valid from 2019-08-29
Received: 28 May 2019
Revised: 25 July 2019
Accepted: 7 August 2019
First Online: 29 August 2019
Ethics approval and consent to participate
: The presented information was supplied relating to ethical approvals (i.e., approving body and any reference numbers): all procedures involving animals described in the present study were reviewed and approved by the Biomedical Ethics Committee of Peking University in China (permit Number: LA2019133).
: Not applicable.
: The authors declare that they have no competing interests.