Funding for this research was provided by:
Received: 9 August 2018
Accepted: 10 May 2019
First Online: 29 May 2019
Ethics approval and consent to participate
: A written informed consent was obtained from each participant in this study or from one of his family members, and the study was approved by the local ethics committee in the Faculty of Medicine, Beni-Suef University (the number is FWA00015574, and the date is ninth of October 2018).
: Not applicable
: The authors declare that they have no competing interests.
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