Text and Data Mining valid from 2018-07-25
Received: 5 February 2018
Accepted: 18 July 2018
First Online: 25 July 2018
Ethics approval and consent to participate
: The study received ethical approval from the Research Board at the Faculty of Medicine, University of Gadarif, Sudan. The reference number is 2015/11. Written informed consent was obtained from all the enrolled patients.
: Not applicable.
: The authors declare that they have no competing interests.
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