Text and Data Mining valid from 2019-04-15
Received: 29 June 2018
Accepted: 26 March 2019
First Online: 15 April 2019
Ethics approval and consent to participate
: The Ethics Committee of Assiut University Hospital approved study protocols NO17300270, and each participant signed a written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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