1. Division of Cardiology, Department of Internal Medicine Detroit Medical Center/Wayne State University School of Medicine Detroit Michigan USA
2. Department of Internal Medicine Detroit Medical Center/Wayne State University School of Medicine Detroit Michigan USA
3. Division of Cardiology, Department of Internal Medicine Kansas University Medical Center Kansas City Kansas USA
4. Division of Cardiology, Department of Internal Medicine Columbia University Medical Center New York New York USA
5. Division of Cardiology, Department of Internal Medicine Tuft University Medical Center Boston Massachusetts USA
6. Division of Cardiology Inova Heart and Vascular Institute Fairfax Virginia USA