Received: 26 May 2020
Accepted: 1 December 2020
First Online: 15 April 2021
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the Ethical standards of the institutional and/or national research committee (Zagazig Faculty of Medicine IRP committee and Kingdom Hospital ethical committee) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The ethical committee at Kingdom Hospital gave the ethical approval on November 7, 2018 while <i>consent to participate</i> is not applicable for this type of study and formal consent is not required.
: Not applicable
: The authors declare that they have no competing interests.