Author Contributions: Dr Mérie 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: Mérie, Torp-Pedersen.
Acquisition of data: Mérie, Skov Olsen, Torp-Pedersen.
Analysis and interpretation of data: Mérie, Køber, Skov Olsen, Andersson, Gislason, Skov Jensen, Torp-Pedersen.
Drafting of the manuscript: Mérie.
Critical revision of the manuscript for important intellectual content: Mérie, Køber, Skov Olsen, Andersson, Gislason, Skov Jensen, Torp-Pedersen.
Statistical analysis: Mérie, Køber, Gislason, Torp-Pedersen.
Obtained funding: Torp-Pedersen.
Administrative, technical, or material support: Mérie, Skov Olsen, Andersson, Skov Jensen.
Study supervision: Køber, Skov Olsen, Gislason, Skov Jensen, Torp-Pedersen.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Køber reported receiving payment for giving lectures on unrelated issues from Servier as well as unrelated consultancy for Bayer. Dr Andersson reported receiving an independent research grant FSS-11-120873 unrelated to current study with 30 months salary and meeting expenses from the Danish Agency for Science, Technology, and Innovation. Dr Torp-Pedersen reported receiving consultancy fees for antiarrhythmic drugs from Cardiome, sanofi-aventis, Merck, and Bristol-Meyers Squibb. No other authors reported any financial disclosures.
Funding/Support: This work was supported by the Research Fund of the Department of Cardiology at Copenhagen University Hospital Gentofte, Gentofte, Denmark.
Role of the Sponsor: The Research Fund of the Department of Cardiology at Copenhagen University Hospital Gentofte, Denmark, had no role in the design or 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 findings and conclusions in this study are those of the authors and not necessarily those of the Department of Cardiology, Copenhagen University Hospital Gentofte; Department of Cardiology, Copenhagen University Hospital Rigshospitalet; or Department of Cardiothoracic Surgery, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark.