Institution: | 1. Division of Cardiology, Duke University Medical Center, Durham, NC;2. Duke Clinical Research Institute, Duke University Medical Center, Durham, NC;3. Division of General Internal Medicine, Duke University Medical Center, Durham, NC;4. Duke Evidence-Based Practice Center, Duke Clinical Research Institute, Duke University, Durham, NC;5. Department of Biostatistics & Bioinformatics, Duke University School of Medicine, Durham, NC;6. Department of Community and Family Medicine, Duke University School of Medicine, Durham, NC |