Received: 23 December 2019
Accepted: 6 May 2020
First Online: 14 May 2020
Ethics approval and consent to participate
: The study procedures were carried out following the Declaration of Helsinki. This study was approved by the Ethics Committee of Iran University of Medical Sciences (IR.IUMS.REC.1394.26432). Informed consent was taken from all the participants. There was an emphasis on maintaining privacy in keeping and delivering the information accurately without mentioning the names of the participants. The participants were given the right to leave the interview at any time if they wished to leave the interview process, and they were promised to have the study results if they want.
: Not applicable.
: The authors declare that they have no competing interests.