Text and Data Mining valid from 2019-02-01
Received: 22 October 2017
Accepted: 17 December 2018
First Online: 13 February 2019
Change Date: 25 February 2019
Change Type: Correction
Change Details: In the version of this Perspective originally published, authors Amit Kumar and Katherine R. Phillips should have had a note in the affiliations indicating that they are equally contributing authors; this has now been corrected.
: The authors declare no competing interests.