Text and Data Mining valid from 2018-11-15
Received: 23 October 2017
Accepted: 23 October 2018
First Online: 15 November 2018
Ethics approval and consent to participate
: Ethics approval was provided by the ethical committees in faculty of Medicine, Tanta University, Egypt to approve the protocol. Under the number 2981/12/14. Consent for every patient in the study was included.
: Not applicable
: The authors declare that they have no competing interests.
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