Received: 25 October 2017
Accepted: 3 April 2018
First Online: 21 April 2018
Ethics approval and consent to participate
: The Non-Interventional Clinical Studies Ethics Board of Hacettepe University provided ethical approval of this study on the 6th of December 2016 with the registration number GO16/751–16. Informed consent was obtained from each participant before commencing the study.
: The authors declare that they have no competing interests.
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