[1] Dana Farber Canc Inst, Div Adult Palliat Care, 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] Brigham & Womens Hosp, Dept Med, Div Gen Internal Med & Primary Care, 75 Francis St, Boston, MA 02115 USA