1. Division of Cardiology Department of Medicine; University of Miami; Jackson Memorial Hospital Miami Florida
2. Division of Structural Heart Diseases Department of Cardiothoracic Surgery; Lenox Hill Heart and Vascular Institute; New York New York
3. Department of Cardiology; Ochsner Medical Center; New Orleans Louisiana
4. Department of Cardiothoracic Surgery; Lenox Hill Heart and Vascular Institute; New York, New York
5. Division of Cardiology Department of Medicine; McGill University Health Centre; Montreal Quebec Canada