Funding for this research was provided by:
Kurdistan university of medical sciences (94/67)
Text and Data Mining valid from 2018-06-11
Received: 23 October 2017
Accepted: 29 May 2018
First Online: 11 June 2018
Ethics approval and consent to participate
: Approval to conduct the study was granted by the Ethics Committee of Kurdistan University of Medical Sciences, Kurdistan, Iran. All participants were informed that their participation was deliberate in this study. Prior to the study, the respondents were informed that their answers would be handled privately and anonymously, and that their names would be replaced by a code. Informed written consent was received from all participants.
: The authors declare that they have no competing interests.
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