[1] Tufts Univ, Sch Med, Boston, MA USA
[2] Brandeis Univ, Heller Sch Social Policy & Management, Waltham, MA USA
[3] Temmy Latner Ctr Palliat Care, Toronto, ON, Canada
[4] Univ Toronto, Dept Family & Community Med, Toronto, ON, Canada
[5] Harvard Med Sch, Dept Global Hlth & Social Med, Program Global Palliat Care, Boston, MA USA
[6] Tufts Med Ctr, Div Pulm & Crit Care, Boston, MA USA
[7] Tufts Univ, Tufts Med Ctr, Sch Med, Div Palliat Care, Boston, MA 02111 USA
[8] Tufts Univ, Sch Med, Med & Pediat, Boston, MA 02111 USA