Chunk #5 — Method — Inclusion and exclusion criteria

Source

Age at onset of mental disorders worldwide: large-scale meta-analysis of 192 epidemiological studies.

Embedded

yes

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Excluded were: (i) studies sampling clinical groups that were not representative of the general population, (ii) studies assessing the prevalence, not onset age of mental disorders, (iii) reviews, meta-analyses, case reports or other non-original studies, (iv) non-English language articles.