1 John Ochsner Heart & Vascular Institute, Ochsner Clinical School-The University of Queensland School of Medicine, New Orleans, Louisiana. Electronic address: clavie@ochsner.org.
2 Brigham Women's Hospital Heart and Vascular Center and the Center for Advanced Heart Disease, Harvard Medical School, Boston, Massachusetts.
3 John Ochsner Heart & Vascular Institute, Ochsner Clinical School-The University of Queensland School of Medicine, New Orleans, Louisiana.