Funding for this research was provided by:
Kermanshah University of Medical Sciences (95371)
Text and Data Mining valid from 2020-02-12
Received: 5 September 2019
Accepted: 4 February 2020
First Online: 12 February 2020
Ethics approval and consent to participate
: Ethics approval was obtained from Ethics Committee of Kermanshah University of Medical Sciences. All participants read and filled out the informed consent form about the study purpose and procedure.
: Not applicable.
: The authors declare that they have no competing interests.