Received: 20 March 2019
Accepted: 8 October 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: The ethical clearance to conduct this study was given by the Ethical Review Committee of the University of Dodoma in Dodoma, Tanzania. Also, a letter of permission was obtained from the Rukwa Regional Administration. Both written and verbal consents were obtained from study participants after they were given an explanation on the study objectives and procedures and their right to refuse to participate in the study at any time they were assured.
: Not applicable.
: Authors declare there is no competing interest.