Text and Data Mining valid from 2017-04-01
Received: 14 June 2016
Accepted: 13 February 2017
First Online: 7 April 2017
Change Date: 25 May 2018
Change Type: Update
Change Details: The original version of this Article contained an error in the spelling of the author Aysegul Gezer, which was incorrectly given as Aysegul Geyser. This has now been corrected in both the PDF and HTML versions of the Article.
: The authors declare no competing financial interests.