1. Department of Internal Medicine, Detroit Medical Center, Detroit, MI, USA
2. Thomas Jefferson University, Philadelphia, PA, USA
3. Division of Cardiology, Wayne State University School of Medicine, Detroit, MI, USA
4. Division of Cardiolog, Internal medicine, Baptist hospital, Miami, FL, USA
5. Division of Cardiology, Vernon Hills High School, Vernon Hills, IL, USA
6. Division of cardiology, West Virginia University, Morgantown, WV, USA
7. Division of Cardiology, London Health Sciences Centre, Western University, London, ON, Canada
8. Department of Medical Education, University of Tennessee at Nashville, Nashville, TN, USA
9. Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Stoke-on-Trent, UK
10. Division of cardiology, Wayne State University/Detroit Medical Center, Detroit, MI, USA