[1] Univ Calgary, Dept Family Med & Community Hlth Sci, Calgary, AB, Canada
[2] Univ Manitoba, Dept Internal Med, Winnipeg, MB, Canada
[3] Univ Manitoba, Dept Community Hlth Sci, Winnipeg, MB R3T 2N2, Canada
[4] Queens Univ, Dept Family Med & Community Hlth & Epidemiol, Kingston, ON, Canada
[5] Queens Univ, Ctr Studies Primary Care, Kingston, ON, Canada
[6] Univ Ottawa, Dept Family Med, Ottawa, ON, Canada
[7] Publ Hlth Agcy Canada, Ottawa, ON, Canada
[8] Univ Alberta, Alberta Kidney Dis Network, Edmonton, AB, Canada