Received: 25 May 2020
Accepted: 28 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Institutional Research Review Committee of the University of Dodoma-(Directorate of Research and Publications) on March 9th, 2019, Ref: UDOM/DRP/134/VOL VII/36. Permission to conduct the study at the site was obtained from the city council and respective offices. Prior to data collection, the aim and objectives of the study were explained to the participants. Participant willing to participate in the study was given a written informed consent and asked to sign in writing. All data collected during the study were treated with confidentiality. Questionnaires were assigned unique identification numbers, and no names were used during data collection.
: Not applicable.
: The authors declares that they have no competing interests.