1. Division of Cardiology University of California, Los Angeles Los Angeles CA USA
2. Rocky Mountain Regional Veterans Affairs Medical Center Aurora CO USA
3. CART Program, Office of Quality and Patient Safety Veterans Health Administration Washington DC USA
4. Department of Biostatistics and Informatics University of Colorado Aurora CO USA
5. Smith Center for Outcomes Research in Cardiology, Division of Cardiology Beth Israel Deaconess Medical Center Boston MA USA
6. Division of Cardiology Baylor College of Medicine Houston TX USA
7. Department of Medicine, Division of Cardiology Duke University School of Medicine Durham NC USA
8. Duke Clinical Research Institute Durham NC USA
9. Durham VA Healthcare System Durham NC USA
10. Division of Cardiology University of Colorado School of Medicine Aurora CO USA
11. San Francisco Veterans Affairs Medical Center San Francisco CA
12. Division of Cardiology, Zuckerberg San Francisco General Hospital University of California, San Francisco San Francisco CA USA