CASP criterion: 1. Was there a clear statement of the aims of the research?; 2. Is a qualitative methodology appropriate?; 3. Was the research design appropriate to address the aims of the research?; 4. Was the recruitment strategy appropriate to the aims of the research?; 5. Was the data collected in a way that addressed the research issue?; 6. Has the relationship between researcher and participants been adequately considered?; 7. Have ethical issues been taken into consideration?; 8. Was the data analysis sufficiently rigorous?; 9. Is there a clear statement of findings?; 10. How valuable is the research?; CASP critical score as cited in Njau et al. (Njau et al., 2019): the criterion is met = 2; the criterion is partially met = 1; the criterion not applicable, not met or not reported = 0; Total score 20 = high quality; 16–19 moderate quality; ≤15 low quality.