Received: 9 April 2018
Accepted: 15 October 2018
First Online: 24 October 2018
Ethics approval and consent to participate
: The Institutional Review Board and the Medical Ethics Committee of the Shiraz University of Medical Sciences approved the study and written informed consent form was received from patients or their family members to participate into the study.
: Not applicable.
: The authors declare that they have no competing interests.
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