1 Division of Hospital Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA.
2 Division of General Internal Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA.
3 Rocky Mountain Regional VA Medical Center, Eastern Colorado Health Care System, Denver-Seattle Center of Innovation for Veteran-Centered and Value Driven Care, University of Colorado School of Medicine, Aurora, Colorado, USA.
4 Division of Geriatrics, University of Colorado School of Medicine, Aurora, Colorado, USA.