1. Division of General Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
2. Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
3. Northern California Institute of Research and Education, San Francisco
4. Department of Counseling and Clinical Psychology, Teachers College, Columbia University, New York, New York
5. Department of Bioinformatics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia
6. University of Melbourne, Melbourne, Australia
7. Division of General Internal Medicine, Department of Medicine, University of California, San Francisco
8. San Francisco Veterans Affairs Medical Center, San Francisco, California