Funding for this research was provided by:
Tabriz University of Medical Sciences (5/53/2645)
Received: 11 October 2017
Accepted: 20 December 2018
First Online: 14 January 2019
Ethics approval and consent to participate
: Approval for the study was obtained from the Board of Trustees on Medical Ethics within the Tabriz University of Medical Science (approval number: 5/4/4084–1394-04-18). The study attendees were assured about anonymity of the study data and the possibility of withdrawing from the study whenever and for any reason they had. Written informed consent of those participants who indicated their willingness to attend the study was obtained.
: Not applicable.
: All authors declare that they have no competing interest.
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