1. Department of Radiology, Centre Hospitalo-Universitaire de Reims, Reims 51092, France.
2. Department of Radiology, Centre Hospitalier de Valenciennes, Valenciennes 59300, France.
3. Department of Abdominal Imaging, Hôpital Lariboisière-APHP, Paris 75010, France.
4. Department of Radiology, Hospices civils de Lyon, Centre hospitalier Lyon-Sud, Université Claude-Bernard Lyon 1, Pierre-Bénite 69495, France.