1. Joint Department of Biomedical Engineering University of North Carolina and North Carolina State University Chapel Hill North Carolina USA
2. Division of Cardiovascular Medicine Brigham and Women's Hospital Boston Massachusetts USA
3. Division of Cardiology University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
4. Section of Interventional Cardiology and Vascular Medicine NorthShore University Health System, University of Chicago Pritzker School of Medicine Evanston Illinois USA
5. Division of Cardiology Duke University Durham North Carolina USA
6. Division of Cardiology Northwestern University Chicago Illinois USA
7. Department of Epidemiology University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
8. Division of Cardiology, Department of Internal Medicine University of Texas Southwestern Dallas Texas USA