1. Department of Medical Imaging, University Health Network, Toronto, ON, Canada M5G 2C4
2. Division of Cardiology, Peter Munk Cardiac Centre, University Health Network, Toronto, ON, Canada M5G 2C4
3. St. Michael’s Hospital, Department of Medical Imaging, Toronto, ON, Canada M58 1WB
4. Department of Clinical Radiology, University of Munich Hospital, Ludwig Maximilians University, 80539 Munich, Germany
5. Department of Medical Imaging, Toronto General Hospital, 585 University Avenue, Toronto, ON, Canada M5G 2C4