Fig 1.
PRISMA flow diagram.
Fig 2.
Inclusion and exclusion criteria.
Fig 3.
Bio-ecological model (Adapted from Bronfenbrenner 2005 [3]).
Table 1.
Types and numbers of papers sorted by thematic category and subthemes.
Fig 4.
Overview of AMSTAR-2 ratings by type of review and theme.
Table 2.
Fig 5.
Model of interactions of factors.
Key- 1) Bailey et al 2) Castellvi et al 3) Fusar-Poli 4) Jones et al 5) Norman et al 6) Winokur et al.