1. Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC
2. Duke Clinical Research Institute, Durham, NC
3. Center for Learning Healthcare, Duke Clinical Research Institute, Durham, NC
4. Department of Medical Sciences, Cardiology, and Uppsala Clinical Research Center, Uppsala University, Sweden
5. Duke Cancer Institute, Durham, NC
6. Division of Medical Oncology, Department of Medicine, Duke University Medical Center, Durham, NC