1 VA Puget Sound Health Care System, 1660 S Columbian Way, Seattle, WA, 98108, USA. scotthag@uw.edu.
2 Department of Health Services, University of Washington, Seattle, WA, USA. scotthag@uw.edu.
3 VA Puget Sound Health Care System, 1660 S Columbian Way, Seattle, WA, 98108, USA.
4 Department of Health Services, University of Washington, Seattle, WA, USA.
5 Division of General Internal Medicine, University of Washington, Seattle, WA, USA.
6 Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, Houston, TX, USA.