[1] Duke Univ, Duke Ctr Palliat Care, Div Gen Internal Med, Durham, NC USA
[2] Duke Univ, Dept Med, Durham, NC USA
[3] Duke Univ, Dept Psychiat & Behav Sci, Durham, NC USA
[4] Duke Univ, Dept Med, Div Med Oncol, Durham, NC USA
[5] Duke Univ, Duke Canc Inst, Durham, NC USA
[6] Duke Univ, Fuqua Sch Business, Durham, NC 27706 USA
[7] Duke Univ, Duke Clin Res Inst, Durham, NC USA
[8] Duke Univ, Dept Med, Duke Canc Inst, Div Hematol Malignancies & Cellular Therapy, Durham, NC USA