Published Online: July 16, 2012. doi:10.1001 /archinternmed.2012.2368
Author Contributions: Dr Arcand had full access to all of the data in the study and takes full responsibility for the integrity of the accuracy of the data analysis. Study concept and design: Arcand, Tzianetas, and Newton. Acquisition of data: Steckham. Analysis and interpretation of data: Arcand, Steckham, Tzianetas, L’Abbe, and Newton. Drafting of the manuscript: Arcand. Critical revision of the manuscript for important intellectual content: Arcand, Steckham, Tzianetas, L’Abbe, and Newton. Statistical analysis: Arcand and Tzianetas. Obtained funding: Newton. Administrative, technical, and material support: Arcand, Steckham, Tzianetas, and Newton. Study supervision: Arcand, Tzianetas, and L’Abbe.
Financial Disclosure: Dr Arcand receives fellowship funding from the Canadian Institutes of Health Research Program in Public Health Policy.
Funding/Support: This study was conducted with internal research funds.
Additional Contributions: We thank Lori Klin, RD, Jaclyn Nairn, RD, Heather Oliphant, BASc, Linda Stoyanoff, RD, and Heather Fletcher, RD, for their significant contributions to data collection and analysis.