1. Kessler RC, Berglund P, Demler O, Jin R, Merikangas KR, Walters EE (2005) Lifetime prevalence and age-of-onset distributions of DSM-IV disorders in the national comorbidity survey replication. Arch Gen Psychiatry 62(6):593–602
2. Lawrence D, Johnson S, Hafekost J, Boterhoven de Haan K, Sawyer M, Ainley J, Zubrick SR (2015) The mental health of children and adolescents: Report on the second Australian child and adolescent survey of mental health and wellbeing. Department of Health. http://www.health.gov.au/internet/main/publishing.nsf/Content/9DA8CA21306FE6E DCA257E2700016945/$File/child2.pdf
3. Hickie I, Scott J, Hermens D, Scott E, Naismith S, Guastella A, Glozier N, Mcgorry P (2013) Clinical classification in mental health at the cross-roads: Which direction next? BioMed Central Med 11(1):125. https://doi.org/10.1186/1741-7015-11-125
4. Wang P, Angermeyer M, Borges G, Bruffaerts R, Chiu W, De Girolamo G, Fayyad J, Gureje O, Haro J, Huang Y, Kessler R, Kovess V, Levinson D, Nakane Y, Oakley Browne M, Ormel J, Posada-Villa J, Aguilar-Gaxiola S, Alonso J, Lee S (2007) Delay and failure in treatment seeking after first onset of mental disorders in the World Health Organization’s world mental health survey initiative. World Psychiatry 6(3):177
5. Wells A (2009) Metacognitive therapy for anxiety and depression. Guilford Press, New York