Fig 1.
PRISMA flow diagram.
Table 1.
Shows data extraction form.
Table 2.
Themes with article numbers corresponding with extraction form (Table 1).
Table 3.
CASP appraisal table [15].
The appraisal of the Eleven articles that were used in the review using CASP. No article was dropped as the Eleven articles met the criteria of methodology, adequacy, and relevance.