1 Department of Cardiovascular Diseases, John Ochsner Heart and Vascular Institute, University of Queensland-Ochsner Clinical School of Medicine, New Orleans, Louisiana, USA. Electronic address: clavie@ochsner.org.
2 Cardiology Division, Montefiore Healthcare Network/Albert Einstein College of Medicine, Bronx, New York, USA.
3 Section of Cardiology, Medstar Georgetown University Hospital, Washington, DC, USA.