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Article History

Received: 27 July 2018

Accepted: 14 January 2019

First Online: 24 January 2019

Authors’ information

: Not applicable.

: The Sierra Leone Ethics and Scientific Review Committee (Opinion date 29 March 2017) and the Institutional Review Board at the Ludwig-Maximilians-Universität München, Germany (Opinion No. LMU 17–582) approved this study. The Sierra Leone Ethics and Scientific Review Committee provided ethical clearance for conducting this study and waivered the requirement to obtain informed consent from the patients whose medical records were analysed in this study on the grounds that this is an observational retrospective study that did not allow at that time for individualized informed consent to be obtained. The Surgeon General of the 34 Military Hospital in Freetown, Sierra Leone also provided official clearance to access the medical records of these patients.

: Not Applicable.

: The authors declared they have no competing interest.

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