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, James, Manns, Quinn, Tonelli.
Acquisition of data: Hemmelgarn, James, Tonelli.
Analysis and interpretation of data: Hemmelgarn, James, O’Hare, Muntner, Ravani, Quinn, Turin, Tan, Tonelli.
Drafting of the manuscript: Hemmelgarn.
Critical revision of the manuscript for important intellectual content: Hemmelgarn, James, Manns, O’Hare, Muntner, Ravani, Quinn, Turin, Tan, Tonelli.
Statistical analysis: Hemmelgarn, James, Muntner, Ravani, Turin, Tan.
Obtained funding: Hemmelgarn, James, Manns, Tonelli.
Administrative, technical, or material support: Hemmelgarn, James, Muntner, Tonelli.
Study supervision: Hemmelgarn, Tonelli.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr O’Hare reports receiving royalties from UpToDate. Dr Muntner reports consulting for and receiving salary support through a grant to his institution by Amgen. No other disclosures were reported.
Funding/Support: This work was supported by the Canadian Institute of Health Research (CIHR) and by an interdisciplinary team grant from Alberta Innovates–Health Solutions (AI-HS). Drs Hemmelgarn, Manns, and Tonelli were supported by career salary awards from AI-HS. Dr Hemmelgarn was supported by the Roy and Vi Baay Chair in Kidney Research and Dr Tonelli was supported by a Government of Canada Research Chair. Dr Turin is supported by Fellowship Awards from CIHR and the Canadian Diabetes Association.
Role of the Sponsor: The funding organizations played 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.
A complete list of the Alberta Kidney Disease Network has been previously published (BMC Nephrol. 2009;10:30).