title: Epidemiological challenges in systematic reviews.
authors.forename: Golam M
authors.initials: GM
authors.lastname: Khandaker
authors.forename: James B
authors.initials: JB
authors.lastname: Kirkbride
authors.forename: Peter B
authors.initials: PB
authors.lastname: Jones
mesh_terms: D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology*; D015201:Meta-Analysis as Topic; D012196:Review Literature as Topic