Received: 1 January 2018
Accepted: 13 March 2018
First Online: 20 March 2018
Ethics approval and consent to participate
: The trial is in accordance with the Declaration of Helsinki and guidelines from the Sudanese State of Khartoum Ministry of Health Ethical Committee. Approval was obtained by local research ethics committee ‘Institutional Review Board at University of Medical Science and Technology (UMST); SUM 116 -IRB number: 00008867’ .The study was carried out and informed written consent was obtained from all patients before their enrolment.
: Not applicable.
: The authors declare that there are no competing interests regarding the publication of this paper.
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