Funding for this research was provided by:
National Natural Science Foundation of China (81571093, 81771219)
Natural Science Foundation of Shandong Province (2018GSF118076)
Text and Data Mining valid from 2019-12-01
Received: 1 September 2019
Revised: 29 October 2019
Accepted: 14 November 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: All animal experiments are approved by the National Institutes of Health Guide for the Care and Use of Laboratory and the Institutional Animal Care and Use Committees of Shandong University.
: Not applicable
: The authors declare that they have no competing interests.