Article History
Received: 31 March 2017
Accepted: 7 November 2017
First Online: 10 February 2018
Compliance with ethical issues
:
: This study was not funded by any company.
: Conflict of interest is declared by none of the authors.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Study is approved by Ankara Etlik Zübeyde Hanım Education and Training Hospital Institutional Review Board.