Received: 4 November 2019
Accepted: 22 April 2020
First Online: 12 May 2020
Ethics approval and consent to participate
: This study is a cross-sectional study approved by the local ethics review boards at Shiraz University of Medical Sciences (IR.SUMS.REC.1395.100). The study was conducted after obtaining written informed consent from all study participants.This study has been approved by local ethics review boards at Shiraz University of Medical Sciences (ir.sums.rec.1395.100).
: Institutional consent forms were used in this study.
: The authors declare that they have no competing interests.