Funding for this research was provided by:
Kermanshah University of Medical Sciences
Received: 14 August 2020
Accepted: 4 June 2021
First Online: 28 July 2021
: The ethics committee of the Deputy of Research, Kermanshah University of Medical Sciences, reviewed and approved reviewed the study protocol. The study was based on secondary data and did not involve data collection at individual level or human subjects.
: Not applicable.
: The authors declare that they have no competing interests.