Saçmacı, Hikmet http://orcid.org/0000-0003-1480-0562
Gürel, Gülhan
Article History
Received: 12 September 2018
Revised: 23 February 2019
Accepted: 1 March 2019
First Online: 11 March 2019
Compliance with ethical standards
: The ethics committee gave its approval prior to initiation of the study. The study was conducted according to the principles of the Declaration of Helsinki.
: The authors declare that they have no conflict of interest.