Author Contributions: Dr Hemmelgarn 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: Hemmelgarn, Klarenbach, Wiebe, Tonelli.
Acquisition of data: Hemmelgarn, James, Quinn.
Analysis and interpretation of data: Hemmelgarn, Manns, Lloyd, James, Klarenbach, Quinn, Wiebe, Tonelli.
Drafting of the manuscript: Hemmelgarn, Tonelli.
Critical revision of the manuscript for important intellectual content: Hemmelgarn, Manns, Lloyd, James, Klarenbach, Quinn, Wiebe, Tonelli.
Statistical analysis: Hemmelgarn, Lloyd, James, Quinn, Wiebe, Tonelli.
Obtained funding: Hemmelgarn, Manns, Tonelli.
Administrative, technical, or material support: Hemmelgarn, James, Quinn.
Study supervision: Hemmelgarn, Wiebe, Tonelli.
Financial Disclosures: None reported.
Funding/Support: Drs Hemmelgarn, Tonelli, and Klarenbach were supported by awards from the Alberta Heritage Foundation for Medical Research (AHFMR). Drs Hemmelgarn, Manns, and Tonelli were also supported by awards from the Canadian Institutes of Health Research. Drs Hemmelgarn, Manns, Klarenbach, and Tonelli were supported by a joint initiative between Alberta Health and Wellness and the Universities of Alberta and Calgary. Dr James was supported by a KRESCENT and AHFMR Fellowship. This work was supported by a grant from the AHFMR Interdisciplinary Team Grants Program to Drs Hemmelgarn, Manns, and Tonelli.
Role of the Sponsor: The funding organizations had no role in the 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.
A list of the Alberta Kidney Disease Network members appears at http://www.AKDN.info.