1. Section of Cardiology, Department of Medicine, University of California, San Francisco, School of Medicine, San Francisco
2. San Francisco Veterans Affairs Health Care System, San Francisco, California
3. Section of General Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
4. Department of Health Policy and Management, Yale School of Public Health, New Haven, Connecticut
5. Center for Healthcare Delivery and Policy, Arizona State University, Phoenix
6. College of Health Solutions, Arizona State University, Phoenix