Polanczyk, G, de Lima, MS, Horta, BL, Biederman, J, Rohde, LA. The worldwide prevalence of ADHD: a systematic review and metaregression analysis. Am J Psychiatry. 2007; 164(6): 942–948.
Willcutt, EG. The prevalence of DSM-IV attention-deficit/hyperactivity disorder: a meta-analytic review. Neurotherapeutics. 2012; 9(3): 490–499.
Buitelaar, JK, Barton, J, Danckaerts, M, etal. A comparison of North American versus non-North American ADHD study populations. Eur Child Adolesc Psychiatry. 2006; 15(3): 177–181.
Dopfner, M, Steinhausen, HC, Coghill, D, etal. Cross-cultural reliability and validity of ADHD assessed by the ADHD Rating Scale in a pan-European study. Eur Child Adolesc Psychiatry. 2006; 15(Suppl 1): I46–I55.
Faraone, SV, Mick, E. Molecular genetics of attention deficit hyperactivity disorder. Psychiatr Clin North Am. 2010; 33(1): 159–180.
Faraone, SV, Biederman, J, Mick, E. The age-dependent decline of attention deficit hyperactivity disorder: a meta-analysis of follow-up studies. Psychol Med. 2006; 36(2): 159–165.
Faraone, SV, Spencer, TJ, Montano, CB, Biederman, J. Attention-deficit/hyperactivity disorder in adults: a survey of current practice in psychiatry and primary care. Arch Intern Med. 2004; 164(11): 1221–1226.
Barkley, RA, Fischer, M, Smallish, L, Fletcher, K. The persistence of attention-deficit/hyperactivity disorder into young adulthood as a function of reporting source and definition of disorder. J Abnorm Psychol. 2002; 111(2): 279–289.
Miller, CJ, Newcorn, JH, Halperin, JM. Fading memories: retrospective recall inaccuracies in ADHD. J Atten Disord. 2010; 14(1): 7–14.
DuPaul, GJ, McGoey, KE, Eckert, TL, VanBrakle, J. Preschool children with attention-deficit/hyperactivity disorder: impairments in behavioral, social, and school functioning. J Am Acad Child Adolesc Psychiatry. 2001; 40(5): 508–515.
Wilson, JM, Marcotte, AC. Psychosocial adjustment and educational outcome in adolescents with a childhood diagnosis of attention deficit disorder. J Am Acad Child Adolesc Psychiatry. 1996; 35(5): 579–587.
Caci, H, Asherson, P, Doepfner, M, etal. Attention deficit/hyperactivity disorder is associated with impairment in everyday life as reported by parents of affected children: results of the European Lifetime Impairment Study (Abstract P-30-04). ADHD Attention Deficit Hyperactivity Disorders. 2011; 3(2): 197.
Coghill, D, Soutullo, C, d'Aubuisson, C, etal. Impact of attention-deficit/hyperactivity disorder on the patient and family: results from a European survey. Child Adolesc Psychiatry Ment Health. 2008; 2(1): 31.
Riley, AW, Spiel, G, Coghill, D, etal. Factors related to health-related quality of life (HRQoL) among children with ADHD in Europe at entry into treatment. Eur Child Adolesc Psychiatry. 2006; 15(Suppl 1): I38–I45.
Biederman, J, Faraone, SV, Spencer, TJ, etal. Functional impairments in adults with self-reports of diagnosed ADHD: a controlled study of 1001 adults in the community. J Clin Psychiatry. 2006; 67(4): 524–540.
Hervas, A, Asherson, P, Caci, H, etal. Parental experiences of diagnosis and treatment of attention deficit/hyperactivity disorder in children: results from the European Lifetime Impairment Survey (Abstract P-31-01). ADHD Attention Deficit Hyperactivity Disorders. 2011; 3(2): 199.
Kooij, SJ, Bejerot, S, Blackwell, A, etal. European consensus statement on diagnosis and treatment of adult ADHD: The European Network Adult ADHD. BMC Psychiatry. 2010; 10: 67.
Montano, CB, Weisler, R. Distinguishing symptoms of ADHD from other psychiatric disorders in the adult primary care setting. Postgrad Med. 2011; 123(3): 88–98.
Hodgkins, P, Montejano, L, Sasane, R, Huse, D. Cost of illness and comorbidities in adults diagnosed with attention-deficit/hyperactivity disorder: a retrospective analysis. Prim Care Companion CNS Disord. 2011; 13(2): PCC.10m01030.
Friedrichs, B, Igl, W, Larsson, H, Larsson, JO. Coexisting psychiatric problems and stressful life events in adults with symptoms of ADHD—a large Swedish population-based study of twins. J Atten Disord. 2012; 16(1): 13–22.
Kessler, RC, Adler, L, Barkley, R, etal. The prevalence and correlates of adult ADHD in the United States: results from the National Comorbidity Survey Replication. Am J Psychiatry. 2006; 163(4): 716–723.
Barkley, RA, Fischer, M, Smallish, L, Fletcher, K. Young adult outcome of hyperactive children: adaptive functioning in major life activities. J Am Acad Child Adolesc Psychiatry. 2006; 45(2): 192–202.