Funding for this research was provided by:
Silicon Valley Community Foundation (Grant 165410)
Text and Data Mining valid from 2020-05-07
Received: 26 November 2019
Accepted: 13 April 2020
First Online: 7 May 2020
Ethics approval and consent to participate
: Not applicable for publicly available data.
: Not applicable.
: The authors declare that they have no competing interests.