Funding for this research was provided by:
Afyon Kocatepe University Scientific Research Projects Coordination Department (16.VF.11)
Text and Data Mining valid from 2019-02-25
Received: 4 December 2018
Accepted: 13 February 2019
First Online: 25 February 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.