Text and Data Mining valid from 2018-07-25
Received: 17 October 2017
Accepted: 1 February 2018
First Online: 25 July 2018
Compliance with ethical standards
: Tom Wiggins, Sheraz R. Markar, Hugh Mackenzie, Sara Jamel, Alan Askari, Omar Faiz, Stavros Karamanakos, George B. Hanna have no conflicts of interest or financial ties to disclose.