Received: 18 April 2020
Accepted: 8 July 2020
First Online: 14 July 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Research Ethical Committee of Kilimanjaro Christian Medical University College (CREC no.2336). The study observed confidentiality and privacy of the subjects. No participant’s name was used. Instead, unique identifiers were used. Also, no participant incurred laboratory investigations expenses.Written informed consent was obtained preoperatively from every eligible participant. The document was prepared in Swahili for convenience.
: Not applicable.
: There are no conflicts of interest to be disclosed regarding this paper.