[1] Geisel Sch Med Dartmouth, Dartmouth Inst Hlth Policy & Clin Practice, Lebanon, NH USA
[2] Dartmouth Hitchcock Med Ctr, Dept Med, Sect Palliat Care, 1 Med Ctr Dr, Lebanon, NH 03756 USA
[3] Boston Med Ctr, Dept Surg, Boston, MA USA
[4] Dartmouth Hitchcock Med Ctr, Analyt Inst, Lebanon, NH 03756 USA
[5] Dartmouth Coll, Dept Econ, Hanover, NH USA