Funding for this research was provided by:
Deputy for Research and Technology, Kermanshah University of Medical Sciences (IR.KUMS.REC.1397.1041)
Received: 13 June 2019
Accepted: 16 October 2019
First Online: 29 October 2019
Ethics approval and consent to participate
: This study was recorded in the ethics committee of Kermanshah University of medical sciences with the ethics code of (IR.KUMS.REC.1397.1041) and informed consent of the participants was obtained in writing.
: Not applicable.
: The authors declare that they have no conflict of interest.