1. Sanford School of Public PolicyDuke University Durham North Carolina
2. Margolis Center for Health PolicyDuke University Durham North Carolina
3. Social Science Research Institute, Duke University Durham North Carolina
4. Duke Cancer Institute Durham North Carolina
5. Duke University School of Medicine Durham North Carolina
6. Division of Cardiovascular Medicine, Department of MedicineBrigham and Women's Hospital, Harvard Medical School Boston Massachusetts
7. Cardiology Section, Department of MedicineBoston VA Healthcare System Boston Massachusetts