[1] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Baltimore, MD USA
[2] Univ Iowa, Coll Nursing, Iowa City, IA 52242 USA
[3] Dana Farber Canc Inst, Div Adult Palliat Care, Dept Psychosocial Oncol & Palliat Care, Boston, MA 02115 USA
[4] Ariadne Labs, Boston, MA USA
[5] Brigham & Womens Hosp, 75 Francis St, Boston, MA 02115 USA
[6] Harvard Univ, Sch Publ Hlth, 665 Huntington Ave, Boston, MA 02115 USA
[7] Duke Univ, Med Ctr, Duke Canc Inst, Durham, NC USA
[8] Univ Penn, Corporal Michael J Crescenz VA Med Ctr Philadelph, Philadelphia, PA 19104 USA
[9] Univ Penn, Sch Nursing, Philadelphia, PA 19104 USA
[10] Univ Calif Los Angeles, Greater Los Angeles Vet Affairs Healthcare Syst, Los Angeles, CA USA
[11] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[12] Univ Rochester, Sch Nursing, Rochester, NY USA