1. Department of Psychology, University of Cincinnati, Cincinnati, OH, USA
2. Center for ADHD, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
3. Division of General and Community Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
4. Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
5. Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
6. Faculty of Health Sciences, Simon Fraser University, Burnaby, Canada
7. Department of Radiology, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
8. Department of Epidemiology, Brown University, Providence, RI, USA