1. Division of Cardiology, Department of Medicine, Columbia University Medical Center, New York–Presbyterian Hospital, New York, New York
2. Section of Nuclear Medicine and Diagnostic Imaging, Division of Human Health, International Atomic Energy Agency (IAEA), Vienna, Austria
3. Department of Cardiology, Houston Methodist DeBakey Heart and Vascular Center, Houston, Texas
4. Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
5. Radiation Protection of Patients Unit, IAEA, Vienna, Austria6Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston
6. Division of Cardiology, Department of Medicine, Columbia University Medical Center, New York–Presbyterian Hospital, New York, New York7Department of Radiology, Columbia University Medical Center, New York–Presbyterian Hospital, New York, New York