Table 1.
Search strategy.
Fig 1.
Flowchart of the selection process.
Table 2.
Matrix of included studies (4 pages).
Table 3.
Patterns of publications 2001–2018.
Table 4.
Characteristics of adolescents, environments and participation in 31 studies.
Fig 2.
Graphic representation of supporting and hindering environments and tension in participation.
Table 5.
Summary of validation issues mentioned by seven stakeholders.