Funding for this research was provided by:
National Natural Science Foundation of China (51705193)
the National Key R\D Program of China (2017YFD0700302)
Text and Data Mining valid from 2019-10-25
Received: 7 May 2019
Accepted: 2 October 2019
First Online: 25 October 2019
Consent for publication
: This manuscript does not contain any individual person’s data in any form.
: The authors declare that they have no competing interests.