Article History
Received: 5 January 2020
Accepted: 10 August 2020
First Online: 18 August 2020
Ethics approval and consent to participate
: Ethical approval of this study was obtained from Ardhi University on behalf of the government and Tanzania Commission for Science and Technology (COSTECH) Number ARU/ARU/HO 67/VI. The university approved the procedures indicated in the methodology before the clearance to conduct the research was provided. Participants in this study were informed verbally because written consent would incriminate and breach the principle of anonymity. Names of participants were not sought, but their designations. Collected data in this study were confidential and were used by the research study only.
: Not applicable.
: The authors declare that they have no competing interests.