Received: 26 July 2017
Accepted: 29 January 2018
First Online: 5 February 2018
Ethics approval and consent to participate
: The Institutional Review Board and Ethics Committee of the Dr. Lutfi Kirdar Kartal Education and Research Hospital approved the initiation of the study (IRB No: 2017/514/105/1). Informed written consent was obtained from all individual participants in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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