1. Department of Radiology, Hôpital Cochin, Assistance Publique-Hopitaux de Paris, Paris, France
2. Université Paris Cité, Faculté de Médecine, Paris, France
3. Department of Gastroenterology and Digestive Oncology, Hôpital Cochin, Assistance Publique-Hopitaux de Paris, Paris, France
4. Department of Pathology, Hôpital Cochin, Assistance Publique-Hopitaux de Paris, Paris, France
5. The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
6. Department of Radiology, University of North Carolina School of Medicine, Chapel Hill, NC, USA