Text and Data Mining valid from 2019-05-25
Received: 4 February 2019
Accepted: 16 May 2019
First Online: 25 May 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors. The study was approved by the Ethics Committee of Bolu Abant Izzet Baysal University, (X). The study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: The Ethics Committee approved the informed consent dismissal.