Funding for this research was provided by:
Kermanshah University of Medical Sciences (96052)
Text and Data Mining valid from 2018-08-03
Received: 4 May 2018
Accepted: 11 July 2018
First Online: 3 August 2018
Ethics approval and consent to participate
: The study was approved by research ethics committee of Kermanshah University of Medical Sciences. The written consent was obtained from all the participants.
: No Applicable.
: The authors declare there are no competing interests.
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