Text and Data Mining valid from 2019-11-20
Received: 8 October 2018
Accepted: 5 August 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: This study was approved by the Wichita State University Institutional Review Board (IRB), Wichita, KS, 67216.
: Google, Inc. has approved this work for publication.
: The authors declare that they have no competing interests.