Author Contributions: Dr Bell had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Bell, Brener, Bierman, Scales, Bajcar, Zwarenstein, Urbach.
Acquisition of data: Bell, Brener, Gunraj, Scales, Urbach.
Analysis and interpretation of data: Bell, Brener, Gunraj, Huo, Bierman, Scales, Zwarenstein, Urbach.
Drafting of the manuscript: Bell, Brener, Huo, Scales, Zwarenstein.
Critical revision of the manuscript for important intellectual content: Bell, Brener, Gunraj, Bierman, Scales, Bajcar, Zwarenstein, Urbach.
Statistical analysis: Bell, Brener, Gunraj, Huo, Scales, Zwarenstein.
Obtained funding: Bell.
Administrative, technical, or material support: Brener, Scales, Urbach.
Study supervision: Bell, Zwarenstein, Urbach.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Bajcar reported that she has been a consultant to Merck Frosst Canada and AstraZeneca; has received payment from sanofi-aventis for lectures; and has received payment from AstraZeneca for manuscript preparation. Dr Zwarenstein reported that he has been consultant on trial design for Johnson & Johnson; and has received financial support from the Centre for Medical Technology Policy for teaching pragmatic trial design. No other disclosures were reported.
Funding/Support: The study was funded by operating grant 67113 from the Canadian Institutes of Health Research. This study was supported by the Institute for Clinical Evaluative Sciences, which is funded by an annual grant from the Ontario Ministry of Health and Long-Term Care. Drs Bell and Scales received funding as Canadian Institutes of Health Research New Investigators. Dr Bell now holds a Canadian Institutes of Health Research/Canadian Patient Safety Institute Chair in Patient Safety and Continuity of Care.
Role of the Sponsors: Neither sponsor had a role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.
Disclaimer: The opinions, results, and conclusions reported in this article are those of the authors and are independent from the funding sources. No endorsement by the Institute for Clinical Evaluative Sciences or the Ontario Ministry of Health and Long-Term Care is intended or should be inferred.
Additional Contributions: We acknowledge the contributions of members of our advisory panel, Jeff Chan, RPh, PharmD (Thunder Bay Regional Health Sciences Centre and Northern Ontario School of Medicine) and Roy Wyman, MD, CCFP, FCFP (Toronto East General Hospital and Department of Family and Community Medicine, University of Toronto). No compensation was provided for their contributions.
This article was corrected for errors on August 23, 2011.