[1] McMaster Univ, Dept Family Med, Hamilton, ON, Canada
[2] Thompson Rivers Univ, Sch Nursing, Kamloops, BC, Canada
[3] British Columbia Canc Agcy, Vancouver Canc Ctr, Radiat Therapy Program, Vancouver, BC, Canada
[4] Univ British Columbia, Dept Med, Div Palliat Care, Vancouver, BC, Canada
[5] Univ Calif San Francisco, Dept Med, Div Geriatr, San Francisco, CA 94143 USA
[6] Univ Toronto, Dept Family & Community Med, Toronto, ON, Canada
[7] Kingston Gen Hosp, Clin Evaluat Res Unit, Kingston, ON, Canada
[8] Univ Alberta, Dept Family Med, Edmonton, AB, Canada
[9] Okanagan Coll, Nursing Program, Kelowna, BC, Canada
[10] Univ Calgary, Dept Family Med, Calgary, AB, Canada
[11] Queens Univ, Dept Publ Hlth Sci, Kingston, ON, Canada