Funding for this research was provided by:
National Natural Science Foundation of China (8176110373)
Hainan Provincial Department of Science and Technology (ZDYD2019164)
Text and Data Mining valid from 2019-11-21
Received: 13 August 2019
Accepted: 4 November 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
: All authors gave their consent for publication.
: The authors declare that they have no competing interests.