1. Cardiology Division; Department of Internal Medicine; Wright State University Boonshoft School of Medicine; Dayton OH USA
2. Division of Cardiovascular Medicine; The University of Toledo College of Medicine and Life Science; Toledo OH USA
3. John Ochsner Heart & Vascular Institute; Ochsner Clinic Foundation; New Orleans LA USA
4. Cardiology Division; Department of Medicine; Dayton VA Medical Center; Dayton OH USA