Funding for this research was provided by:
Kermanshah University of Medical Sciences (97067)
Text and Data Mining valid from 2019-05-03
Received: 19 November 2018
Accepted: 22 April 2019
First Online: 3 May 2019
Ethics approval and consent to participate
: The study was approved by research ethics committee of Kermanshah University of Medical Sciences with the code: IR.KUMS.REC.1397.077. The written informen consent was obtained from all the participants.
: No Applicable.
: The authors declare there are no competing interests.
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