1. Department of Internal Medicine St. Mary Medical Center Langhorne PA USA
2. Department of Cardiology North Shore University Hospital Manhasset NY USA
3. Post Doc Research fellow West Virginia University of Medicine Morgantown WV USA
4. Department of Cardiology St. Mary Medical Center Langhorne PA USA
5. Department of Internal Medicine Cleveland Clinic Weston FL USA
6. Department of Cardiology Drexel University college of medicine Philadelphia PA USA