Received: 20 September 2020
Accepted: 27 January 2021
First Online: 11 February 2021
Ethics approval and consent to participate
: Ethics approval related to the research circumstances was obtained from the ethical committee of Shiraz University of Medical Sciences (approval no. IR.SUMS.MED.REC.1399: 99–01–106-22298). However, due to the nature of this study, it was exempt from consent to participant given that the study was a non-interventional retrospective one using a data in which patient identification information had been removed.
: Not applicable.
: The authors declare that they have no competing interests.