1. Structural Heart and Valve Center, Center for Interventional Vascular Therapy, Division of CardiologyColumbia University Medical CenterNew York New York
2. Helmsley Centre for Cardiac ElectrophysiologyIcahn School of Medicine at Mount SinaiNew York New York
3. Division of Cardiovascular MedicineBrown UniversityProvidence Rhode Island
4. Division of Cardiovascular MedicineAlbert Einstein College of Medicine/Montefiore Medical CenterBronx New York
5. Kansas City Heart Rhythm Institute and Research FoundationOverland Park Kansas