Received: 29 January 2021
Accepted: 3 May 2021
First Online: 21 May 2021
: It is a retrospective study that has been reviewed and approved by the Research Ethics Committee REC, at the Faculty of Medicine, Ain Shams University FMASU REC, FWA 000017585. Data were retrieved from the file system of the studied patients preserving the rights and privacy of patients’ data.
: Written informed consent for publication regarding the data of the studied patients was obtained from the ASCOT unit.
: The authors declare that they have no competing interests.