Received: 6 August 2018
Accepted: 21 October 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: The study received ethical approval by the Institutional Review Board at Muhimbili University of Health and Allied Sciences with Reference number: 2017-04-12/AEC/Vol.XII/78. The study procedures were explained orally to each informant, followed by the signing of a consent form. The consent described the purpose of the study, voluntarism in participation with the right to refuse answering any question or withdrawing from the study at any time, the importance of participation and the benefits and risks of participating. The research assistants answered additional questions before each informant decided to sign the consent form. All participants provided their written consent at the start of the interviews. This manuscript does not contain any individual person’s data. At the end of the interview, each informant was reimbursed a total of 40,000 Tanzanian Shillings (equivalent to 18 United States of America dollars) as transport allowance to and from the study site as well as for compensation for 3 successful recruitment of their peers to the study.
: Not applicable
: The authors declare that they have no competing interests.