Ethics statement
The studies involving human participants were reviewed and approved by the Jimma University (Ref. no. IHRPCA/721/202, date 17/08/2020) and the Bureau of Regional Health, Oromia (Lakk/Ref. no. BEFO/MBTF/2081, date 27/01/2013, ETC. or 07/10/2020). Earlier in the in-depth interview and focus group discussion (FGD), all study participants gave verbal informed consent. The qualitative data collection was completed in November 2020. Written informed consent to participate in this study was provided by the participants' legal guardian/next of kin.