Received: 2 June 2020
Accepted: 22 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: No individual data included in the study.The study was done according to the ethical parameters of all the involved centers and was approved by the Research Ethics Committee of the Faculty of Medicine at Cairo University; reference number not available.All patients included in this study gave verbal informed consent to participate in this research.
: All patients included in this study gave informed consent to publish the data contained within this study.
: The authors declare that they have no competing interests.