Moran, P A, Moreno-Betancur, M, Coffey, C, Spry, E & Patton, G C 2022, ' Impact of early intervention on the population prevalence of common mental disorders : 20-year prospective study ', British Journal of Psychiatry, vol. 221, no. 3, pp. 558-566 . https://doi.org/10.1192/bjp.2022.3