1. Department of Radiology, St. Vincent’s University Hospital, Dublin, Ireland
2. Department of Medical Imaging, University of Toronto, Toronto, ON, Canada
3. Department of Radiology, Hôpital Cochin, Assistance Publique-Hopitaux de Paris, Paris, France
4. Faculté de Médecine, Université Paris Cité, Paris, France
5. Department of Radiology, Mallinckrodt Institute of Radiology, St Louis, MO, USA