Received: 23 May 2020
Accepted: 10 January 2021
First Online: 15 January 2021
Ethics approval and consent to participate
: The research protocol was approved by the Ethical Committee, Babol University of Medical Sciences (IR.MUBABOL.REC.1399.005). According to the nature of the study (being an online survey), filling the questionnaire was totally voluntary and the written consent form and all the explanations were displayed in the first page of the questionnaire; right before the main questionnaire. Then consent letter was obtained from all the participants before the start of the study.
: Not applicable.
: The authors declare that they have no competing interests.