Article History
Received: 9 September 2019
Accepted: 8 December 2019
First Online: 2 January 2020
Compliance with ethical standards
: Informed consent was obtained from every participant of the study. This study was approved by Research Committee for Scientific Ethical Questions at UMIT University (application no. 2551, 02/2019).
: The authors declare that they have no conflict of interest.