Funding for this research was provided by:
The National Key Research and Development Program of China (2018YFD0500402)
the National Natural Science Foundation of China (No. 31672431)
the National Key Research and Development Program (2016YFD0700201)
Text and Data Mining valid from 2018-12-01
Received: 7 July 2018
Accepted: 7 November 2018
First Online: 21 December 2018
Ethics approval and consent to participate
: All procedures conducted in the present study approved by the Institutional Animal Care and Use Committee of China Agricultural University (ID: SKLAB-B-2010-003).
: All authors critically revised the manuscript for important intellectual contents and approved the final manuscript.
: The authors declare that they have no competing interests.