1. Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio
2. Department of Medicine, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, Ohio
3. School of Medicine, Case Western Reserve University, Cleveland, Ohio
4. Division of Cardiology, Duke University School of Medicine, Durham, North Carolina
5. Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
6. Center for Healthcare Research and Policy, Case Western Reserve University at MetroHealth, Cleveland, Ohio
7. Division of Rheumatology, MetroHealth Medical Center, Cleveland, Ohio
8. Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, Ohio