Author Contributions: Dr Rasmussen 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: Rasmussen, Alter
Acquisition of data: Rasmussen, Chong, Alter
Analysis and interpretation of data: Rasmussen, Chong, Alter
Drafting of the manuscript: Rasmussen, Alter
Critical revision of the manuscript for important intellectual content: Rasmussen, Chong, Alter
Statistical analysis: Rasmussen, Chong.
Obtained funding: Alter, Rasmussen.
Study supervision: Alter.
Financial Disclosures: None reported.
Funding/Support: The Institute for Clinical Evaluative Sciences is supported in part by a grant from the Ontario Ministry of Health. Dr Alter is a Career Investigator with the Heart and Stroke Foundation of Ontario and was a previous New Investigator with the Canadian Institutes for Health Research. Dr Rasmussen is supported by grant 04-4-9-B19-A14-22132 from the Danish Heart Foundation.
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; or preparation, review, or approval of the manuscript.
Disclaimer: The results, conclusions, and opinions are those of the authors, and no endorsement by the Ontario Ministry of Health, the Institute for Clinical Evaluative Sciences, or the Heart and Stroke Foundation of Ontario is intended or should be inferred.