Text and Data Mining valid from 2018-06-07
Received: 2 February 2018
Accepted: 25 May 2018
First Online: 7 June 2018
: The authors declare that they have no competing interests.
: Approval for the conduct of this study was obtained from the Health Research & Ethics Committee of Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria. The reference is UDUTH/HREC/2017/No. 650. The approval was obtained in the year, 2017. Additionally, approval was obtained to access the hospital records that was used in this study from the Health Research and Ethics Committee as well as the Department of Dental & Maxillofacial Surgery, both of the Usmanu Danfodiyo University teaching Hospital, Sokoto, Nigeria.We, the authors confirm that all records used were de-identified. This article does not contain any experimental or interventional studies with human participants or animals performed by any of the authors. The authors hereby confirm that we obtained appropriate approval to publish the findings of this research.
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