Funding for this research was provided by:
Kerman University of Medical Sciences (IR.KMU.REC.1397.536.)
Received: 22 September 2019
Accepted: 2 September 2020
First Online: 16 September 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Kerman University of Medical Sciences (IR.KMU.REC.1397.536). The participation in the study was voluntary and the participants could refuse to receive, fill out the questionnaire or return it to the researchers. Hence, only verbal consent for participation was taken from the participants, after explaining the objectives of the study, emphasizing the confidentiality of their information, and giving assurance that no information about participants will be provided in the research report or paper. Filling out and returning the questionnaires was considered as their agreement for participation. These were documented in the proposal delivered to the ethics committee and were confirmed by this committee.
: Not applicable.
: The authors declare that they have no competing interests.