Text and Data Mining valid from 2018-08-25
Received: 4 April 2018
Accepted: 15 August 2018
First Online: 25 August 2018
Compliance with ethical standards
: This work was carried out in accordance with the Ethics Committee Decision of the Ondokuz Mayıs University Local Ethics Committee Decision (2013/44).
: The authors declare that they have no conflict of interest.