1. Department of Medical Imaging, University Medical Imaging Toronto, Peter Munk Cardiac Centre, Toronto General Hospital, University of Toronto, Ontario M5G 2N2, Canada
2. Department of Cardiology, MetroHealth System, Cleveland, Ohio 44109, USA
3. Department of Radiology, NYU Langone Medical Center New York 10016, USA
4. Department of Cardiology, University of Michigan Health, Ann Arbor, Michigan 48109, USA
5. Department of Nuclear Medicine and German Cancer Consortium (DKTK), University Hospital Essen, Hufelandstrasse 55, 45147, Essen, Germany
6. Department of Radiology, Mayo Clinic, Rochester, Minnesota, 55902, USA