1 Division of Cardiology, St Vincent Medical Group, Indianapolis, Indiana, USA. Electronic address: [email protected].
2 Department of Medicine, Louis Stokes Veteran Affairs Medical Center, Cleveland, Ohio, USA; Harrington Heart and Vascular Institute, University Hospitals and Case Western Reserve University, Cleveland, Ohio, USA.
3 Division of Cardiology, MedStar Heart and Vascular Institute, MedStar Medical Group, Baltimore, Maryland, USA.