Received: 28 August 2017
Accepted: 27 June 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: First, the study and consent procedure was approved by ethics committee affiliated to Kerman University of Medical Sciences (No: 1394.238). Then, verbal and written informed consent was obtained from the students prior to the data collection. The students were ensured about anonymity and confidentiality of the data as well as voluntary participation in the study. All participants provided written consent by filling in the written questionnaires.
: Not applicable.
: The authors declare that they have no competing interests.