Received: 16 July 2020
Accepted: 22 September 2020
First Online: 2 October 2020
Ethics approval and consent to participate
: The current study was approved by the Ethical Research Committee (ERC) of Tanta University, Faculty of Medicine, and an official permission to carry out the present study (Approval Code: 33960/7/20) was obtained from the responsible authorities. All procedures performed in the current study, involving human participants, were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments. Additionally, all potential hazards were explained to the participants and their families with all participants gave their written informed consent before the start of the study. For unconscious patient or patient with decreased conscious level, written informed consent was obtained by their legal guardian before the start of the study.
: All subjects included in the current research gave their written informed consent to publish the data contained within the study. If the patients were equal to or less than 16 years old, deceased or unconscious when consent for publication was requested, written informed consent for the publication of this data was given by their parents or legal guardian.
: The authors declare that they have no competing interests.