Text and Data Mining valid from 2020-01-10
Received: 1 July 2019
Accepted: 31 December 2019
First Online: 10 January 2020
Ethics approval and consent to participate
: The Institutional Review Boards (IRBs) of the researchers’ institutions recognize that the analysis of de-identified, publicly available data does not constitute human subjects research as defined in federal regulations, and as such does not require IRB review.
: Not applicable.
: The authors declare that they have no competing interests.