1. Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Center for ADHD, Cincinnati, Ohio.
2. Department of Rehabilitation Psychology/Neuropsychology, TIRR Memorial Hermann Rehabilitation Network, Houston, Texas.
3. Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Baylor University, Houston, Texas.
4. College of Medicine, University of Cincinnati, Cincinnati, Ohio.
5. Department of Psychology, University of Cincinnati, Cincinnati, Ohio.