1. Department of Cardiology, Graduate Medical Education, The Medical Center Bowling Green, University of Kentucky, Bowling Green, USA, KY
2. Department of Internal Medicine, Graduate Medical Education, The Medical Center Bowling Green, University of Kentucky, Bowling Green, USA, KY
3. College of Medicine, University of Kentucky, Bowling Green, USA, KY
4. Department of Cardiology, Western Kentucky Heart and Lung, The Medical Center Bowling Green, Bowling Green, USA, KY