[1] Univ Colorado, Sch Med, Div Geriatr Med, Aurora, CO USA
[2] VA Eastern Colorado Hlth Care Syst, Denver, CO USA
[3] Univ Colorado, Sch Med, Dept Med, Aurora, CO USA
[4] Univ Colorado, Dept Psychol, Denver, CO 80202 USA
[5] Univ Colorado, Sch Med, Div Gen Internal Med, Aurora, CO USA
[6] Anschutz Med Campus, Coll Nursing, Aurora, CO USA
[7] CCOR, Denver, CO USA