Received: 15 July 2020
Accepted: 8 September 2020
First Online: 18 September 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of the Research Council of Hamadan University of Medical Sciences (IR.UMSHA.REC.1399.048). Written consent was obtained from the participants, and they were assured of the confidentiality of their information.
: Not applicable.
: The authors declare that they have no competing interests.