Submitted for Publication: December 19, 2012; final revision received March 5, 2013; accepted April 4, 2013.
Published Online: October 2, 2013. doi:10.1001/jamapsychiatry.2013.2445.
Study concept and design: Winsper, Singh, Marwaha, Amos, Lester, Jones, Fowler, Marshall, Lewis, Birchwood.
Acquisition of data: Singh, Amos, Lester, Everard, Jones, Marshall, Sharma, Birchwood.
Analysis and interpretation of data: Winsper, Marwaha, Lester, Jones, Fowler, Marshall, Lewis, Sharma, Freemantle.
Drafting of the manuscript: Winsper, Marwaha, Amos, Marshall.
Critical revision of the manuscript for important intellectual content: Winsper, Singh, Marwaha, Lester, Everard, Jones, Fowler, Marshall, Lewis, Sharma, Freemantle, Birchwood.
Statistical analysis: Winsper, Marwaha, Sharma, Freemantle.
Obtained funding: Singh, Amos, Lester, Jones, Fowler, Marshall, Lewis, Sharma, Birchwood.
Administrative, technical, or material support: Amos, Everard, Fowler, Marshall, Sharma.
Study supervision: Singh, Marwaha, Everard, Jones.
Conflict of Interest Disclosures: Dr Winsper’s work was supported by a grant from the Department of Health and the West Midlands Strategic Health Authority. Drs Singh and Birchwood’s work were funded in part by the National Institute for Health Research through the Collaborations for Leadership in Applied Health Research and Care for Birmingham and Black Country. No other disclosures were reported.
Funding/Support: This work was funded by the United Kingdom Department of Health’s (grant PO261680) A National Evaluation of Early Intervention for Psychosis Services: DUP, Service Engagement and Outcome (the National EDEN Project) to Drs Lester and Birchwood.
Role of the Sponsor: The funding agency had no role in design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Disclaimer: The views expressed in this article are not necessarily those of the National Institute for Health Research, the United Kingdom Department of Health, the University of Birmingham, or the Collaborations for Leadership in Applied Health Research and Care for Birmingham and Black Country theme 3 management group.
Additional Information: We thank Dr Lester, our highly esteemed friend and colleague who died during the production of this article.