Received: 15 January 2021
Accepted: 6 April 2021
First Online: 10 April 2021
Change Date: 11 May 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S12879-021-06130-7
: This study obtained ethics approval from the Institutional Review Board of Shiraz University of Medical Sciences (SUMS.REC.1399.014). The study was registered on IRCT.IR with the following identifier: IRCT20200204046369N1 on 08/04/2020. Written informed consent was obtained from all patients or their legally authorized representatives.
: Not applicable.
: All authors declare that they have no competing interests.