Text and Data Mining valid from 2020-03-27
Received: 21 May 2019
Accepted: 17 March 2020
First Online: 27 March 2020
Ethics approval and consent to participate
: The study on which these data analyses are based was approved by the Ethical Board Committee of Shahid Beheshti University of Medical Sciences (Reference number IR.SBMU.REC.1392.700). Participants were provided information about the study and verbal consented by proceeding to take the survey; this implied verbal consent was approved by the Ethical Board Committee of Shahid Beheshti University of Medical Sciences.
: Not applicable.
: The authors declare that they have no competing interests.