[1] Massachusetts Gen Hosp, Div Palliat Care & Geriatr Med, Boston, MA 02114 USA
[2] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, Boston, MA 02115 USA
[3] Harvard Med Sch, Boston, MA 02115 USA
[4] NYU, Sch Med, Div Palliat Care, New York, NY USA
[5] NYU, Sch Med, Div Nephrol, New York, NY USA
[6] Mt Sinai Sch Med, Div Nephrol, New York, NY USA