Guler, Mehmet Akif http://orcid.org/0000-0003-3592-3385
Celik, Omer Faruk http://orcid.org/0000-0002-0286-4430
Ayhan, Fikriye Figen http://orcid.org/0000-0001-6906-991X
Article History
Received: 21 May 2019
Revised: 31 July 2019
Accepted: 12 August 2019
First Online: 24 August 2019
Compliance with ethical standards
: The study was approved by the Ankara Training and Research Hospital Ethics Committee and followed all relevant dictates of the Helsinki Declaration as revised in 2008.
: None.