Degenhardt L, Chiu WT, Sampson N, et al. Toward a global view of alcohol, tobacco, cannabis, and cocaine use: Findings from the WHO World mental health surveys. Plos Med 2008;7:e141.
 Newbury-Birch D, Gilvarry E, McArdle P, et al. Impact of alcohol consumption on young people: A review of reviews. Department for Children, Schools and Families; 2009. DCSF-RR067.
 Hibell B, Guttormsson U, Ahstom S, et al. European school survey Project on alcohol and other drugs; substance Use among students in 36 European countries (ESPAD). 2011. Available at: http://www.ias.org.uk/uploads/pdf/ Underage%20drinking%20docs/The_2011_ESPAD_Report_FULL_2012_10_ 29.pdf. Accessed January 3, 2017.
 Health and Social Care Information Centre. Smoking, drinking and drug use among young people in England in 2014. Available at: http://www.hscic.gov .uk/catalogue/PUB17879/smok-drin-drug-youn-peop-eng-2014-rep.pdf. Accessed January 3, 2017.
 Gore FM, Bloem PJN, Patton GC, et al. Global burden of disease in young people aged 10-24: A systematic analysis. Lancet 2011;377:2093e102.
 Baird AA, Gruber SA, Fein DA, et al. Functional magnetic resonance imaging of facial affect recognition in children and adolescents. J Am Acad Child Adolesc Psychiatry 1999;38:195e9.
 Grant BF, Stinson FS, Harford TC. Age at onset of alcohol use and DSM-IV alcohol abuse and dependence: A 12-year follow-up. J Subst Abuse 2001; 13:493e504.
 DeWit DJ, Adalf EM, Offord DR, Ogborne AC. Age at first alcohol use: A risk factor for the development of alcohol disorders. Am J Psychiatry 2000;5: 745e50. [OpenAIRE]
 Hingson RW, Hingson RW, Edwards EM, et al. Age of drinking onset and injuries, motor vehicle crashes, and physical fights after drinking and when not drinking. Alcohol Clinl Exp Res 2009;33:783e90.
 Guttmannova K, Bailey JA, Hill KG, et al. Sensitive periods for adolescent alcohol use initiation: Predicting the lifetime occurrence and chronicity of alcohol problems in adulthood. J Stud Alcohol Drugs 2011;72:221e31.
 Odgers CL, Caspi A, Nagin DS, et al. Is it important to prevent early exposure to drugs and alcohol among adolescents? Psychol Sci 2008;19: 1037e44. [OpenAIRE]
 Armstrong TD, Costello EJ. Community studies on adolescent substance use, abuse, or dependence and psychiatric comorbidity. J Consult Clin Psych 2002;70:1224e39.
 Maimaris W, McCambridge J. Age of first drinking and adult alcohol Problems: Systematic review of prospective cohort studies. J Epidemiol Community Health 2014;68:268e74.
 Newbury-Birch D, Scott S, O'Donnell A, et al. A pilot feasibility cluster randomised controlled trial of screening and brief alcohol intervention to prevent hazardous drinking in young people aged 14 15 years in a high school setting (SIPS JR-HIGH). Pub Health Res 2014;2:6.
 Deluca P, Coulton S, Alam MF, et al. Linked randomised controlled trials of face-to-face and electronic brief intervention methods to prevent alcohol related harm in young people aged 14e17 years presenting to Emergency Departments (SIPS junior). BMC Pub Health 2015;15:345. [OpenAIRE]