[1] WellSpan Hlth, WellSpan York Hosp, Dept Med, York, PA USA
[2] WellSpan Hlth, Analyt Ctr Excellence, York, PA USA
[3] Brigham & Womens Hosp, Dept Med, Div Palliat Med, 75 Francis St, Boston, MA 02115 USA
[4] Dana Farber Canc Inst, Dept Psychosocial Oncol & Palliat Care, Boston, MA 02115 USA
[5] Duke Univ, Sanford Sch Publ Policy, Durham, NC USA
[6] Duke Univ, Med Ctr, Dept Med, Durham, NC 27710 USA
[7] Duke Univ, Med Ctr, Duke Canc Inst, Durham, NC USA
[8] Harvard Med Sch, Brigham & Womens Hosp, Dept Med, Div Cardiovasc Med, Boston, MA 02115 USA
[9] VA Boston Healthcare Syst, Dept Med, Cardiol Sect, Boston, MA 02132 USA