Received: 13 December 2019
Accepted: 13 April 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: Before the interviews were conducted, written informed consent to participate in the study was obtained. The present study was reviewed and approved by the Institutional Review Board (IRB) of the Muhimbili University of Health and Allied Sciences (MUHAS) (reference number 2017-06-12/AEC/Vol. XII/66).
: Not applicable.
: The authors declare that they have no competing interest.