[1] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, Boston, MA 02115 USA
[2] Brigham & Womens Hosp, Dept Med, Div Palliat Med, 75 Francis St, Boston, MA 02115 USA
[3] Harvard Med Sch, Boston, MA 02115 USA
[4] Massachusetts Gen Hosp, Depress Clin & Res Program, Boston, MA 02114 USA
[5] Mt Sinai Hosp, Temmy Latner Ctr Palliat Care, Toronto, ON, Canada