Received: 27 September 2021
Accepted: 27 December 2021
First Online: 4 January 2022
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration. The study was approved by Mansoura Faculty of Medicine Institutional Research Board (MFM-IRB), and reference number is not available. Verbal consents were provided by patient guardians (all patients were aphasic), so the ethics committee approved this procedure.
: The authors declare that they have no conflict of interest.