Text and Data Mining valid from 2018-09-17
First Online: 17 September 2018
Compliance with Ethical Standards
: The authors declare no conflicts of interest with respect to the research, authorship, and/or publication of this article.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of Social and Human Sciences Research and Publication Ethics Committee of Pamukkale University (Approval Number: 68282350/2007/G05).
: Informed consent was obtained from each participant.