Funding for this research was provided by:
Kermanshah University of Medical Sciences (95305)
Article History
Received: 1 June 2018
Accepted: 25 October 2018
First Online: 12 November 2018
Ethics approval and consent to participate
: The study was approved by ethics committee of Kermanshah University of Medical Sciences. Written consent was obtained from participants.
: Not applicable.
: The authors declare there are no competing interests.
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