1 Division of Cardiovascular Sciences, University of South Florida, Tampa, FL, USA.
2 Division of Cardiovascular Medicine, Department of Medicine, College of Medicine, University of Florida and Malcom Randall VA Medical Center, Gainesville, FL, USA.
3 Cardiovascular Division (Department of Medicine) and Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
4 Blavatnik Family Women's Research Institute, Icahn School of Medicine at Mount Sinai Medical Center, New York, NY, USA.
5 Knight Cardiovascular Institute, Oregon Health and Sciences University, Portland, OR, USA.
6 Division of Cardiology, The Johns Hopkins Hospital, Baltimore, MD, USA.
7 Division of Cardiology, Department of Radiology, The George Washington University School of Medicine, Washington, DC, USA. Electronic address: adchoi@mfa.gwu.edu.