Text and Data Mining valid from 2020-02-13
Received: 21 November 2018
Accepted: 13 January 2020
First Online: 13 February 2020
Ethics approval and consent to participate
: Medical Ethics Committee at the Ahvaz Jundishapur University of Medical Sciences approved the study protocol (IR.AJUMS.REC.1395.153). There was just one observer (BH) who completed the questionnaires. All participants were assured that they are not obliged to participate in the research and that they can leave the study at any stages. They were also ensured about the confidentiality of their information.
: Not applicable.
: The authors declare that they have no competing interests.