1. Division of Cardiovascular Medicine; State University of New York, Downstate Medical Center; Brooklyn New York
2. Institute of Cardiovascular Research and Technology; Brooklyn New York
3. Department of Cardiovascular Diseases, John Ochsner Heart and Vascular Institute; Ochsner Clinical School-University of Queensland School of Medicine; New Orleans Louisiana
4. Division of Cardiovascular Diseases; The Ohio State University Wexner Medical Center; Columbus Ohio
5. Department of Medicine; Saint Peter's University Hospital; New Brunswick New Jersey
6. Department of Cardiovascular Medicine; Maimonides Medical Center; Brooklyn New York
7. Division of Cardiology; University of California; Los Angeles California