Funding for this research was provided by:
National Natural Science Foundation of China (Nos. 81772555, Nos. 81802352)
the National Science Foundation for Distinguished Young Scholars of China (No. 81625016)
the Shanghai Sailing Program (No. 17YF1402500)
Text and Data Mining valid from 2019-12-01
Received: 29 September 2019
Accepted: 3 December 2019
First Online: 13 December 2019
Ethics approval and consent to participate
: Not applicable.
: The authors confirm their consent to publish the manuscript.
: The authors declare that they have no competing interests.