Funding for this research was provided by:
Deputy for Research and Technology, Kermanshah University of Medical Sciences (96560)
Received: 4 September 2019
Accepted: 10 February 2020
First Online: 10 April 2020
Ethics approval and consent to participate
: The research ethics committee at the deputy of research of the KUMS had approved the study protocol and had monitored the research process (KUMS.REC.1396.438). Furthermore, students had been given adequate information about the purpose of the study. Individual personal information was kept confidentially.
: Not applicable.
: The authors declare that there they have no conflicts of interest.