Received: 11 January 2019
Accepted: 10 October 2019
First Online: 26 October 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Kerman University of Medical Sciences [IR.KMU.REC.1397.153]. The researcher gave oral and written information and obtained written informed consent from all participants before the interviews. Participation was voluntary, and the participants had the right to withdraw at any time.
: Not applicable.
: The authors declare that they have no competing interests.