1. Division of Cardiology, Kaiser Permanente Southern California, Los Angeles Medical Center, Los Angeles
2. Department of Emergency Medicine, Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia
3. Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena
4. Division of Cardiology, University of California, San Francisco, San Francisco
5. Editor, JAMA Internal Medicine
6. Knight Cardiovascular Institute, Oregon Health and Science University, Portland