1. Department of Internal Medicine, West Virginia University (WVU) – Charleston Division, Charleston, USA
2. Department of Internal Medicine, West Virginia University (WVU) – Morgantown Division, Morgantown, USA
3. Department of Cardiology, Rapides Regional Medical Center, Alexandria, USA
4. Department of Cardiology and Vascular Surgery, West Virginia University (WVU) – Charleston Division, Charleston, USA