Received: 20 April 2020
Accepted: 26 June 2020
First Online: 22 July 2020
Ethics approval and consent to participate
: The study protocol was approved by the Research Ethics Committee (REB) at Kerman University of Medical Sciences (Ethics code No: IR.KMU.REC.597 and K/93/208). Verbal informed consent was obtained from all participants.
: All authors agree with the content of this manuscript and have given consent for publication.
: All authors declare that they have no conflict of interest.