1. Faculty of Medicine, University of Victoria, Victoria, BC V6T 1Z3, Canada
2. Samson Cree Nation, Maskwacis, AB T0C 1N0, Canada
3. Enoch Cree Nation, Enoch, AB T7X 3Y3, Canada
4. Division of Care of the Elderly, Department of Family Medicine, University of Alberta, Edmonton, AB T6G 2T4, Canada
5. Faculty of Nursing, University of Regina, Regina, SK S4S 0A2, Canada