Received: 21 May 2021
Accepted: 12 August 2021
First Online: 26 August 2021
: Approval was done by the ethical committee in all the participating hospitals (Alexandria Faculty of Medicine and Birmingham University Hospitals) under the numbers: 00012098 and 18699, respectively. A written informed signed consent was obtained from all the study participants or their care givers.
: Not applicable.
: All authors declare that there is no competing interests.