1. Health Policy, Quality and Informatics Program, Michael E. DeBakey Veterans Affairs Medical Center Health Services Research and Development Center for Innovations; Baylor College of Medicine; Houston Texas
2. Section of Health Services Research, Department of Medicine; Baylor College of Medicine; Houston Texas
3. Section of Cardiology; Michael E. DeBakey Veterans Affairs Medical Center; Houston Texas
4. Section of Cardiology, Department of Medicine; Baylor College of Medicine; Houstona Texas
5. Center for Cardiovascular Disease Prevention; Methodist DeBakey Heart and Vascular Center; Houston Texas