1. United Health Services Hospitals, Wilson Medical Center, Department of Cardiology, 30 Harrison St, Johnson City, NY, USA
2. United Health Services Hospitals, Wilson Medical Center, Department of Internal Medicine, 33-57 Harrison St, Johnson City, NY, USA
3. American University of Antigua College of Medicine, USA
4. United Health Services Hospitals (Heart & Vascular Institute), Wilson Medical Center, Department of Cardiology, 30 Harrison St, Johnson City, NY 13790, USA