Funding for this research was provided by:
Vice-Chancellor for Research, Shiraz University of Medical Sciences (1393. S7549)
Received: 8 January 2020
Accepted: 24 May 2021
First Online: 7 June 2021
Change Date: 24 July 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S12909-021-02828-Z
: The study was approved by the Research Ethics Committee of Shiraz University of Medical Sciences (No: IR.SUMS.REC.1393.S 7549). All participants were fully informed about the purpose of the study. Written informed consent was also obtained from the participants regarding voluntary participation, and we assured them that their data would remain confidential.
: Not applicable.
: The authors declare that they have no competing interests.