1. Departments of Medicine Beth Israel Deaconess Medical Center and Harvard Medical School Boston MA USA
2. Cardiovascular Division Beth Israel Deaconess Medical Center and Harvard Medical School Boston MA USA
3. Departments of Radiology Beth Israel Deaconess Medical Center and Harvard Medical School Boston MA USA
4. Department of Biomedical Imaging and Image‐guided Therapy Medical University of Viena Vienna Austria
5. Department of Medicine Boston University School of MedicineBoston Medical Center Boston MA USA
6. Section of Cardiovascular Medicine Boston University School of MedicineBoston Medical Center Boston MA USA