Submitted for Publication: September 23, 2013; final revision received March 5, 2014; accepted March 6, 2014.
Published Online: July 9, 2014. doi:10.1001/jamapsychiatry.2014.763.
Study concept and design: Karalunas, Fair, Nigg.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Karalunas, Fair, Musser.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Karalunas, Fair, Musser, Aykes.
Obtained funding: Karalunas, Fair, Nigg.
Administrative, technical, or material support: Karalunas, Fair, Iyer.
Study supervision: Nigg.
Conflict of Interest Disclosures: None reported.
Funding/Support: Funding for the study was provided by National Institute of Mental Health grants R01 MH059105 (Dr Nigg), R01 MH086654 (Dr Nigg), R01 MH096773 (Dr Fair), R00 MH091238 (Dr Fair), and F32 MH098632 (Dr Karalunas), and ADHD Research Study UHN80R1.
Role of the Sponsor: The sponsors had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Colleen Schmitt, MS, and Hilary Galloway-Long, BA (Oregon Health and Science University), helped with data and project management. No financial compensation was provided.