1 Division of General Internal Medicine, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA. jennifer.portz@cuanschutz.edu.
2 Institute for Health Research, Kaiser Permanente Colorado, Aurora, CO, USA. jennifer.portz@cuanschutz.edu.
3 Institute for Health Research, Kaiser Permanente Colorado, Aurora, CO, USA.
4 Division of General Internal Medicine, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA.
5 Department of Medicine, Department of Veterans Affairs, Eastern Colorado Health Care System, Aurora, CO, USA.
6 Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA.
7 Department of Family Medicine, University of Colorado School of Medicine, Aurora, CO, USA.