Received: 16 March 2022
Accepted: 10 May 2022
First Online: 19 May 2022
: The medical ethics were considered and respected. The study was approved by Institutional Ethics Committee in Faculty of Medicine, Alexandria University [IRB No (00012098) and FWA No (00018699) – Serial No (0304760)]<b>.</b> Patient consent was waived in this retrospective observational study by the Research Ethics Board, assuring respect of both patient and medical records confidentiality.
: Not applicable.
: The authors declare that they have no competing interests.