[1] Univ Colorado, Sch Med, Div Cardiol, Sect Adv Heart Failure & Transplantat, Aurora, CO 80045 USA
[2] Univ Colorado, Sch Med, Adult & Child Consortiutn Hlth Outcomes Res & Del, Aurora, CO 80045 USA
[3] Mayo Clin, Dept Med, Div Hematol Oncol Palliat Med, Phoenix, AZ USA
[4] Univ Colorado, Sch Med, Dept Med, Div Geriatr Med, Aurora, CO 80045 USA
[5] VA Eastern Colorado Geriatr Res Educ & Clin Cent, Denver, CO USA
[6] Univ Colorado, Coll Nursing, Aurora, CO 80045 USA
[7] Mayo Clin, Dept Cardiovasc Dis, Rochester, MN USA
[8] Mayo Clin, Div Hlth Care Policy & Res, Rochester, MN USA
[9] Birmingham Atlanta Geriatr Res Educ & Clin Ctr, Dept Vet Affairs, Birmingham, AL USA
[10] Birmingham VA Med Ctr, Birmingham, AL USA
[11] Univ Alabama Birmingham, Ctr Palliat & Support Care, Birmingham, AL USA