[1] Univ Toronto, Div Palliat Care, Toronto, ON M5S 1A1, Canada
[2] Univ Toronto, Dept Family Med, Toronto, ON M5S 1A1, Canada
[3] Univ Calgary, Calgary, AB, Canada
[4] Univ Alberta, Edmonton, AB, Canada
[5] Queens Univ, Kingston, ON, Canada
[6] Univ Ottawa, Ottawa, ON, Canada
[7] McMaster Univ, Hamilton, ON, Canada