Received: 29 September 2020
Accepted: 22 November 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The current study was approved by the Institutional Research Board (IRB), Faculty of Medicine, Mansoura University (Approval Code: MD.18.04.35.R1). 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. All participants gave their written informed consent before the start of the study. For patients with decreased conscious, level written informed consent was obtained by their legal guardian before the start of the study.
: All patients included in this research gave written informed consent to publish the data contained within this study. If the patient was deceased, or unconscious when consent for publication was requested, written informed consent for the publication of this data was given by their parent or legal guardian.
: The authors declare that they have no competing interests.