1. VA HSR&D Center for the Study of Healthcare Innovation, Implementation & Policy (CSHIIP) VA Greater Los Angeles Healthcare System Los Angeles CA USA
2. San Francisco VA Healthcare System San Francisco CA USA
3. Department of Medicine University of California San Francisco CA USA
4. Division of Cardiology, Department of Medicine David Geffen School of Medicine at UCLA Los Angeles CA USA
5. Division of General Internal Medicine and Health Services Research, Department of Medicine David Geffen School of Medicine at UCLA Los Angeles CA USA