1. Department of Cardiology, West Virginia University, Morgantown, WV, US
2. Department of Medicine, CMH Lahore Medical College and Institute of Dentistry, Lahore, Punjab, Pakistan
3. Department of Internal Medicine, BronxCare Health System, New York, NY, US
4. Department of Cardiology, Hackensack University Medical Centre, NJ, US
5. Department of Internal Medicine, University of Nevada, Kirk Kerkorian School of Medicine, Las Vegas, NV, US
6. Department of Cardiology, Boston University, Boston, MA, US
7. 7. Department of Cardiology, Baylor College of Medicine, Houston, TX, US
8. Division of Cardiovascular Medicine, Gill Heart Institute, University of Kentucky, Lexington, KT, US
9. Detroit Medical Centre, Wayne State University, Detroit, MI, US