1. Department of Internal Medicine, Cleveland Clinic, Cleveland, OH, USA
2. Department of Cardiology, University of Toledo Medical Center, Toledo, OH, USA
3. Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
4. Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, USA
5. Sydell and Arnold Miller Family Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH, USA