Funding for this research was provided by:
National Natural Science Foundation of China (81973231, 81402982)
Qingdao Independent Innovation Project (13-7-1-zdzx1-hy)
Text and Data Mining valid from 2020-03-24
Received: 10 January 2020
Accepted: 13 March 2020
First Online: 24 March 2020
Ethics approval and consent to participate
: This article does not contain any animal experiments.
: Not relevant to this manuscript.
: The authors declare that they have no competing interests.