title: Evidence-based mental health and psychosocial support in humanitarian settings: gaps and opportunities.
authors.forename: Wietse A
authors.initials: WA
authors.lastname: Tol
authors.forename: Mark
authors.initials: M
authors.lastname: van Ommeren
mesh_terms: D000533:Altruism; D019317:Evidence-Based Medicine; D006801:Humans; D008603:Mental Health; D012944:Social Support