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Article History

Received: 29 March 2022

Accepted: 28 September 2022

First Online: 19 February 2023

Declarations

:

: The research was approved by the Medical Research Coordination Committee (MRCC) of the National Institute for Medical Research (NIMR) certificate (No. NIMR/HQR.8a/Vol. IX/3546) and the University of Dar-es salaam higher degrees research and publication committee (HDRPC) approved the research before the commencement of study. This research was a retrospective study the patient's files were used to get the information, confidentiality of the patients was maintained by excluding the identifiers including names. Only file number and year of diagnosis were used, official permission was provided by joint of Bugando Medical Centre (BMC) and Catholic University of Health and Allied Sciences (CUHAS).

: Not applicable.

: All authors declare that they have no competing interests.