Beysel, Selvihan http://orcid.org/0000-0001-6963-1503
Unsal, Ilknur Ozturk
Kizilgul, Muhammed
Caliskan, Mustafa
Ucan, Bekir
Cakal, Erman
Article History
Received: 16 March 2017
Accepted: 10 December 2017
First Online: 16 January 2018
Ethics approval and consent to participate
: This retrospective study was approved by Diskapi Yildirim Beyazit Teaching and Research Hospital Ethics Board (No: 26.01.2015–19/21) and written informed consent of participants were obtained before the study.
: Non applicable
: The authors declare that they have no competing interests.
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