[1] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, Boston, MA 02215 USA
[2] Brigham & Womens Hosp, Boston, MA 02215 USA
[3] Harvard Univ, Sch Med, Ctr Palliat Care, Boston, MA USA
[4] Massachusetts Gen Hosp, Cambridge Hlth Alliance, Boston, MA 02114 USA