[1] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, 450 Brookline Ave Boston, Dana, MA 02215 USA
[2] Univ Calif San Francisco, Sch Med, San Francisco, CA USA
[3] Tufts Univ, Dept Med, Sch Med, Boston, MA USA
[4] Tufts Med Ctr, Dept Med, Div Gen Internal Med, Boston, MA USA
[5] Harvard Med Sch, Boston, MA USA
[6] Massachusetts Gen Hosp, Dept Med, Sect Gen Internal Med, Boston, MA USA
[7] ACP Decis, Waban, MA USA
[8] Brigham & Womens Hosp, Div Palliat Med, Boston, MA USA