Introduction
From 2003 to 2011 in the United States, the estimated
prevalence of 4e17 year olds diagnosed with attention deficit
hyperactivity disorder (ADHD) increased from 7.8% to 11%.1
The Diagnostic and Statistical Manual of Mental Disorders
(DSM-V)2 has classified three distinct presentations of
ADHD: Predominantly Inattentive, Predominantly
Hyperactive-Impulsive, and Combined (inattentive and
hyperactive-impulsive)