1. Department of Cardiology, West Virginia University School of Medicine, Morgantown, WV, USA.
2. Department of Internal Medicine, St. Luke’s University Health Network, Bethlehem, PA, USA.
3. University of Texas at Austin, Austin, TX, USA.
4. Department of Internal Medicine, Bassett Healthcare Network, Cooperstown, NY, USA.
5. University of Iowa College of Public Health, Iowa City, IA, USA.
6. Department of Medicine, University of Kansas School of Medicine, Wichita, KS, USA.
7. Department of Internal Medicine, New York Medical College/Landmark Medical Center, Woonsocket, RI, USA.
8. Department of Internal Medicine, Bassett Medical Center, Cooperstown, NY, USA.
9. Department of Cardiology, Stanford University School of Medicine, CA, USA.