| S9 |
S8 and S7 and S6 and S5 |
| S8 |
peer led OR peer leader* OR peer educat* OR peer tutor* OR peer facilitator* OR peer advisor* OR peer worker OR peer base* OR peer support* OR peer group* OR peer mentor* OR peer counsel* OR peer observ* OR peer outreach* OR peer moderat* OR peer observer OR peer outreach* OR peer mediat* OR peer deliver* OR peer model* OR peer facilitate* OR peer to peer |
| S7 |
adolescen* OR teen* OR young adult OR student* OR juvenile* OR youth* OR underage* OR Adolescent OR young people/person [MeSh] |
| S6 |
school or college [tw] |
| S5 |
S1 OR S2 AND S3 AND S4 |
| S4 |
(literature OR articles OR publications OR publication OR bibliography OR bibliographies OR published OR pooled data OR unpublished OR citation OR citations OR database OR internet OR textbooks OR references OR scales OR papers OR datasets OR trials OR meta-analy* OR clinical) AND (studies OR treatment outcome OR treatment outcome OR pmcbook) |
| S3 |
(systematic OR systematically OR critical OR study selection OR predetermined OR inclusion) AND (criteri* OR exclusion criteri* OR main outcome measures OR standard of care OR standards of care) |
| S2 |
(systematic OR systematically OR critical OR study selection OR predetermined OR inclusion) AND (criteri* OR exclusion criteri* OR main outcome measures OR standard of care OR standards of care) |
| S1 |
(systematic review OR meta-analysis OR meta-analysis OR systematic literature review OR this systematic review OR pooling project OR systematic review) AND (meta synthesis OR meta-analy* OR integrative review OR integrative research review OR rapid review OR umbrella review OR consensus development conference OR practice guideline OR drug class reviews OR cochrane database syst rev OR acp journal club OR health technol assess OR clinical guideline) AND (management OR evidence based OR evidence-based medicine OR best practice* OR evidence synthesis) AND (review OR diseases category OR behavior and behavior mechanisms OR therapeutics OR evaluation studies OR validation studies OR guideline OR pmcbook) |