Received: 3 June 2020
Accepted: 24 September 2020
First Online: 8 October 2020
Ethics approval and consent to participate
: Ethical clearance was obtained from the Senate of Research and Publications Committee of the Muhimbili University of Health and Allied Sciences (MUHAS). Permission to conduct the study was obtained from the MNH administration. Participants provided written informed consent before enrolment in the study. We ensured the confidentiality of the study participants through the use of codes instead of the participant’s names.
: Not applicable
: The authors declare that they have no competing interests.