1. McGill University Health Center, Department of Radiology; McGill University Health Center; Montreal QC Canada
2. Department of Body and Interventional Imaging, Hôpital Lariboisière; Assistance Publique-Hôpitaux de Paris; Paris France
3. Université Paris-Diderot, Sorbonne Paris Cité; Paris France
4. INSERM UMR 965; Paris France
5. Centre for Medical Imaging, University College London, Podium Level 2; University College Hospital; London UK
6. Department of Radiology; Hôpital Robert-Debré; Reims France
7. Department of Gastroenterology, Hôpital Cochin; Assistance Publique-Hôpitaux de Paris; Paris France
8. Department of Gastroenterology, Hôpital Saint-Louis; Assistance Publique-Hôpitaux de Paris; Paris France
9. Department of Radiology, Hôpital Beaujon; Assistance Publique-Hôpitaux de Paris; Clichy France
10. Department of Radiology; CHU Charles Nicolle; Rouen France
11. Department of Gastroenterology, Hôpital Saint-Antoine; Assistance Publique-Hôpitaux de Paris; Paris France