[1] Univ Colorado Hosp, Dept Profess Resources, Aurora, CO 80045 USA
[2] Univ Colorado, Coll Nursing, Aurora, CO USA
[3] Univ Colorado, Sch Med, UCH Palliat Care Consult Serv, Aurora, CO USA
[4] Univ Colorado, Colorado Sch Publ Hlth, Dept Community & Behav Hlth, Aurora, CO USA